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46d50c6b47 Stuff 2026-05-09 21:11:22 +10:00
f36ff0f9bf New docs built by mdbook 2026-05-09 21:09:15 +10:00
50 changed files with 12617 additions and 462 deletions

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This file makes sure that Github Pages doesn't process mdBook's output.

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function playground_text(playground, hidden = true) {
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const playground_crates = response.crates.map(item => item['id']);
playgrounds.forEach(block => handle_crate_list_update(block, playground_crates));
});
}
function handle_crate_list_update(playground_block, playground_crates) {
// update the play buttons after receiving the response
update_play_button(playground_block, playground_crates);
// and install on change listener to dynamically update ACE editors
if (window.ace) {
const code_block = playground_block.querySelector('code');
if (code_block.classList.contains('editable')) {
const editor = window.ace.edit(code_block);
editor.addEventListener('change', () => {
update_play_button(playground_block, playground_crates);
});
// add Ctrl-Enter command to execute rust code
editor.commands.addCommand({
name: 'run',
bindKey: {
win: 'Ctrl-Enter',
mac: 'Ctrl-Enter',
},
exec: _editor => run_rust_code(playground_block),
});
}
}
}
// updates the visibility of play button based on `no_run` class and
// used crates vs ones available on https://play.rust-lang.org
function update_play_button(pre_block, playground_crates) {
const play_button = pre_block.querySelector('.play-button');
// skip if code is `no_run`
if (pre_block.querySelector('code').classList.contains('no_run')) {
play_button.classList.add('hidden');
return;
}
// get list of `extern crate`'s from snippet
const txt = playground_text(pre_block);
const re = /extern\s+crate\s+([a-zA-Z_0-9]+)\s*;/g;
const snippet_crates = [];
let item;
while (item = re.exec(txt)) {
snippet_crates.push(item[1]);
}
// check if all used crates are available on play.rust-lang.org
const all_available = snippet_crates.every(function(elem) {
return playground_crates.indexOf(elem) > -1;
});
if (all_available) {
play_button.classList.remove('hidden');
play_button.hidden = false;
} else {
play_button.classList.add('hidden');
}
}
function run_rust_code(code_block) {
let result_block = code_block.querySelector('.result');
if (!result_block) {
result_block = document.createElement('code');
result_block.className = 'result hljs language-bash';
code_block.append(result_block);
}
const text = playground_text(code_block);
const classes = code_block.querySelector('code').classList;
let edition = '2015';
classes.forEach(className => {
if (className.startsWith('edition')) {
edition = className.slice(7);
}
});
const params = {
version: 'stable',
optimize: '0',
code: text,
edition: edition,
};
if (text.indexOf('#![feature') !== -1) {
params.version = 'nightly';
}
result_block.innerText = 'Running...';
fetch_with_timeout('https://play.rust-lang.org/evaluate.json', {
headers: {
'Content-Type': 'application/json',
},
method: 'POST',
mode: 'cors',
body: JSON.stringify(params),
})
.then(response => response.json())
.then(response => {
if (response.result.trim() === '') {
result_block.innerText = 'No output';
result_block.classList.add('result-no-output');
} else {
result_block.innerText = response.result;
result_block.classList.remove('result-no-output');
}
})
.catch(error => result_block.innerText = 'Playground Communication: ' + error.message);
}
// Syntax highlighting Configuration
hljs.configure({
tabReplace: ' ', // 4 spaces
languages: [], // Languages used for auto-detection
});
const code_nodes = Array
.from(document.querySelectorAll('code'))
// Don't highlight `inline code` blocks in headers.
.filter(function(node) {
return !node.parentElement.classList.contains('header');
});
if (window.ace) {
// language-rust class needs to be removed for editable
// blocks or highlightjs will capture events
code_nodes
.filter(function(node) {
return node.classList.contains('editable');
})
.forEach(function(block) {
block.classList.remove('language-rust');
});
code_nodes
.filter(function(node) {
return !node.classList.contains('editable');
})
.forEach(function(block) {
hljs.highlightBlock(block);
});
} else {
code_nodes.forEach(function(block) {
hljs.highlightBlock(block);
});
}
// Adding the hljs class gives code blocks the color css
// even if highlighting doesn't apply
code_nodes.forEach(function(block) {
block.classList.add('hljs');
});
Array.from(document.querySelectorAll('code.hljs')).forEach(function(block) {
const lines = Array.from(block.querySelectorAll('.boring'));
// If no lines were hidden, return
if (!lines.length) {
return;
}
block.classList.add('hide-boring');
const buttons = document.createElement('div');
buttons.className = 'buttons';
buttons.innerHTML = '<button title="Show hidden lines" \
aria-label="Show hidden lines"></button>';
buttons.firstChild.innerHTML = document.getElementById('fa-eye').innerHTML;
// add expand button
const pre_block = block.parentNode;
pre_block.insertBefore(buttons, pre_block.firstChild);
buttons.firstChild.addEventListener('click', function(e) {
if (this.title === 'Show hidden lines') {
this.innerHTML = document.getElementById('fa-eye-slash').innerHTML;
this.title = 'Hide lines';
this.setAttribute('aria-label', e.target.title);
block.classList.remove('hide-boring');
} else if (this.title === 'Hide lines') {
this.innerHTML = document.getElementById('fa-eye').innerHTML;
this.title = 'Show hidden lines';
this.setAttribute('aria-label', e.target.title);
block.classList.add('hide-boring');
}
});
});
if (window.playground_copyable) {
Array.from(document.querySelectorAll('pre code')).forEach(function(block) {
const pre_block = block.parentNode;
if (!pre_block.classList.contains('playground')) {
let buttons = pre_block.querySelector('.buttons');
if (!buttons) {
buttons = document.createElement('div');
buttons.className = 'buttons';
pre_block.insertBefore(buttons, pre_block.firstChild);
}
const clipButton = document.createElement('button');
clipButton.className = 'clip-button';
clipButton.title = 'Copy to clipboard';
clipButton.setAttribute('aria-label', clipButton.title);
clipButton.innerHTML = '<i class="tooltiptext"></i>';
buttons.insertBefore(clipButton, buttons.firstChild);
}
});
}
// Process playground code blocks
Array.from(document.querySelectorAll('.playground')).forEach(function(pre_block) {
// Add play button
let buttons = pre_block.querySelector('.buttons');
if (!buttons) {
buttons = document.createElement('div');
buttons.className = 'buttons';
pre_block.insertBefore(buttons, pre_block.firstChild);
}
const runCodeButton = document.createElement('button');
runCodeButton.className = 'play-button';
runCodeButton.hidden = true;
runCodeButton.title = 'Run this code';
runCodeButton.setAttribute('aria-label', runCodeButton.title);
runCodeButton.innerHTML = document.getElementById('fa-play').innerHTML;
buttons.insertBefore(runCodeButton, buttons.firstChild);
runCodeButton.addEventListener('click', () => {
run_rust_code(pre_block);
});
if (window.playground_copyable) {
const copyCodeClipboardButton = document.createElement('button');
copyCodeClipboardButton.className = 'clip-button';
copyCodeClipboardButton.innerHTML = '<i class="tooltiptext"></i>';
copyCodeClipboardButton.title = 'Copy to clipboard';
copyCodeClipboardButton.setAttribute('aria-label', copyCodeClipboardButton.title);
buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
}
const code_block = pre_block.querySelector('code');
if (window.ace && code_block.classList.contains('editable')) {
const undoChangesButton = document.createElement('button');
undoChangesButton.className = 'reset-button';
undoChangesButton.title = 'Undo changes';
undoChangesButton.setAttribute('aria-label', undoChangesButton.title);
undoChangesButton.innerHTML +=
document.getElementById('fa-clock-rotate-left').innerHTML;
buttons.insertBefore(undoChangesButton, buttons.firstChild);
undoChangesButton.addEventListener('click', function() {
const editor = window.ace.edit(code_block);
editor.setValue(editor.originalCode);
editor.clearSelection();
});
}
});
})();
(function themes() {
const html = document.querySelector('html');
const themeToggleButton = document.getElementById('mdbook-theme-toggle');
const themePopup = document.getElementById('mdbook-theme-list');
const themeColorMetaTag = document.querySelector('meta[name="theme-color"]');
const themeIds = [];
themePopup.querySelectorAll('button.theme').forEach(function(el) {
themeIds.push(el.id);
});
const stylesheets = {
ayuHighlight: document.querySelector('#mdbook-ayu-highlight-css'),
tomorrowNight: document.querySelector('#mdbook-tomorrow-night-css'),
highlight: document.querySelector('#mdbook-highlight-css'),
};
function showThemes() {
themePopup.style.display = 'block';
themeToggleButton.setAttribute('aria-expanded', true);
themePopup.querySelector('button#mdbook-theme-' + get_theme()).focus();
}
function updateThemeSelected() {
themePopup.querySelectorAll('.theme-selected').forEach(function(el) {
el.classList.remove('theme-selected');
});
const selected = get_saved_theme() ?? 'default_theme';
let element = themePopup.querySelector('button#mdbook-theme-' + selected);
if (element === null) {
// Fall back in case there is no "Default" item.
element = themePopup.querySelector('button#mdbook-theme-' + get_theme());
}
element.classList.add('theme-selected');
}
function hideThemes() {
themePopup.style.display = 'none';
themeToggleButton.setAttribute('aria-expanded', false);
themeToggleButton.focus();
}
function get_saved_theme() {
let theme = null;
try {
theme = localStorage.getItem('mdbook-theme');
} catch {
// ignore error.
}
return theme;
}
function delete_saved_theme() {
localStorage.removeItem('mdbook-theme');
}
function get_theme() {
const theme = get_saved_theme();
if (theme === null || theme === undefined || !themeIds.includes('mdbook-theme-' + theme)) {
if (typeof default_dark_theme === 'undefined') {
// A customized index.hbs might not define this, so fall back to
// old behavior of determining the default on page load.
return default_theme;
}
return window.matchMedia('(prefers-color-scheme: dark)').matches
? default_dark_theme
: default_light_theme;
} else {
return theme;
}
}
let previousTheme = default_theme;
function set_theme(theme, store = true) {
let ace_theme;
if (theme === 'coal' || theme === 'navy') {
stylesheets.ayuHighlight.disabled = true;
stylesheets.tomorrowNight.disabled = false;
stylesheets.highlight.disabled = true;
ace_theme = 'ace/theme/tomorrow_night';
} else if (theme === 'ayu') {
stylesheets.ayuHighlight.disabled = false;
stylesheets.tomorrowNight.disabled = true;
stylesheets.highlight.disabled = true;
ace_theme = 'ace/theme/tomorrow_night';
} else {
stylesheets.ayuHighlight.disabled = true;
stylesheets.tomorrowNight.disabled = true;
stylesheets.highlight.disabled = false;
ace_theme = 'ace/theme/dawn';
}
setTimeout(function() {
themeColorMetaTag.content = getComputedStyle(document.documentElement).backgroundColor;
}, 1);
if (window.ace && window.editors) {
window.editors.forEach(function(editor) {
editor.setTheme(ace_theme);
});
}
if (store) {
try {
localStorage.setItem('mdbook-theme', theme);
} catch {
// ignore error.
}
}
html.classList.remove(previousTheme);
html.classList.add(theme);
previousTheme = theme;
updateThemeSelected();
}
const query = window.matchMedia('(prefers-color-scheme: dark)');
query.onchange = function() {
set_theme(get_theme(), false);
};
// Set theme.
set_theme(get_theme(), false);
themeToggleButton.addEventListener('click', function() {
if (themePopup.style.display === 'block') {
hideThemes();
} else {
showThemes();
}
});
themePopup.addEventListener('click', function(e) {
let theme;
if (e.target.className === 'theme') {
theme = e.target.id;
} else if (e.target.parentElement.className === 'theme') {
theme = e.target.parentElement.id;
} else {
return;
}
theme = theme.replace(/^mdbook-theme-/, '');
if (theme === 'default_theme' || theme === null) {
delete_saved_theme();
set_theme(get_theme(), false);
} else {
set_theme(theme);
}
});
themePopup.addEventListener('focusout', function(e) {
// e.relatedTarget is null in Safari and Firefox on macOS (see workaround below)
if (!!e.relatedTarget &&
!themeToggleButton.contains(e.relatedTarget) &&
!themePopup.contains(e.relatedTarget)
) {
hideThemes();
}
});
// Should not be needed, but it works around an issue on macOS & iOS:
// https://github.com/rust-lang/mdBook/issues/628
document.addEventListener('click', function(e) {
if (themePopup.style.display === 'block' &&
!themeToggleButton.contains(e.target) &&
!themePopup.contains(e.target)
) {
hideThemes();
}
});
document.addEventListener('keydown', function(e) {
if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) {
return;
}
if (!themePopup.contains(e.target)) {
return;
}
let li;
switch (e.key) {
case 'Escape':
e.preventDefault();
hideThemes();
break;
case 'ArrowUp':
e.preventDefault();
li = document.activeElement.parentElement;
if (li && li.previousElementSibling) {
li.previousElementSibling.querySelector('button').focus();
}
break;
case 'ArrowDown':
e.preventDefault();
li = document.activeElement.parentElement;
if (li && li.nextElementSibling) {
li.nextElementSibling.querySelector('button').focus();
}
break;
case 'Home':
e.preventDefault();
themePopup.querySelector('li:first-child button').focus();
break;
case 'End':
e.preventDefault();
themePopup.querySelector('li:last-child button').focus();
break;
}
});
})();
(function sidebar() {
const sidebar = document.getElementById('mdbook-sidebar');
const sidebarLinks = document.querySelectorAll('#mdbook-sidebar a');
const sidebarToggleButton = document.getElementById('mdbook-sidebar-toggle');
const sidebarResizeHandle = document.getElementById('mdbook-sidebar-resize-handle');
const sidebarCheckbox = document.getElementById('mdbook-sidebar-toggle-anchor');
let firstContact = null;
/* Because we cannot change the `display` using only CSS after/before the transition, we
need JS to do it. We change the display to prevent the browsers search to find text inside
the collapsed sidebar. */
if (!document.documentElement.classList.contains('sidebar-visible')) {
sidebar.style.display = 'none';
}
sidebar.addEventListener('transitionend', () => {
/* We only change the display to "none" if we're collapsing the sidebar. */
if (!sidebarCheckbox.checked) {
sidebar.style.display = 'none';
}
});
sidebarToggleButton.addEventListener('click', () => {
/* To allow the sidebar expansion animation, we first need to put back the display. */
if (!sidebarCheckbox.checked) {
sidebar.style.display = '';
// Workaround for Safari skipping the animation when changing
// `display` and a transform in the same event loop. This forces a
// reflow after updating the display.
sidebar.offsetHeight;
}
});
function showSidebar() {
document.documentElement.classList.add('sidebar-visible');
Array.from(sidebarLinks).forEach(function(link) {
link.setAttribute('tabIndex', 0);
});
sidebarToggleButton.setAttribute('aria-expanded', true);
sidebar.setAttribute('aria-hidden', false);
try {
localStorage.setItem('mdbook-sidebar', 'visible');
} catch {
// Ignore error.
}
}
function hideSidebar() {
document.documentElement.classList.remove('sidebar-visible');
Array.from(sidebarLinks).forEach(function(link) {
link.setAttribute('tabIndex', -1);
});
sidebarToggleButton.setAttribute('aria-expanded', false);
sidebar.setAttribute('aria-hidden', true);
try {
localStorage.setItem('mdbook-sidebar', 'hidden');
} catch {
// Ignore error.
}
}
// Toggle sidebar
sidebarCheckbox.addEventListener('change', function sidebarToggle() {
if (sidebarCheckbox.checked) {
const current_width = parseInt(
document.documentElement.style.getPropertyValue('--sidebar-target-width'), 10);
if (current_width < 150) {
document.documentElement.style.setProperty('--sidebar-target-width', '150px');
}
showSidebar();
} else {
hideSidebar();
}
});
sidebarResizeHandle.addEventListener('mousedown', initResize, false);
function initResize() {
window.addEventListener('mousemove', resize, false);
window.addEventListener('mouseup', stopResize, false);
document.documentElement.classList.add('sidebar-resizing');
}
function resize(e) {
let pos = e.clientX - sidebar.offsetLeft;
if (pos < 20) {
hideSidebar();
} else {
if (!document.documentElement.classList.contains('sidebar-visible')) {
showSidebar();
}
pos = Math.min(pos, window.innerWidth - 100);
document.documentElement.style.setProperty('--sidebar-target-width', pos + 'px');
}
}
//on mouseup remove windows functions mousemove & mouseup
function stopResize() {
document.documentElement.classList.remove('sidebar-resizing');
window.removeEventListener('mousemove', resize, false);
window.removeEventListener('mouseup', stopResize, false);
}
document.addEventListener('touchstart', function(e) {
firstContact = {
x: e.touches[0].clientX,
time: Date.now(),
};
}, { passive: true });
document.addEventListener('touchmove', function(e) {
if (!firstContact) {
return;
}
const curX = e.touches[0].clientX;
const xDiff = curX - firstContact.x,
tDiff = Date.now() - firstContact.time;
if (tDiff < 250 && Math.abs(xDiff) >= 150) {
if (xDiff >= 0 && firstContact.x < Math.min(document.body.clientWidth * 0.25, 300)) {
showSidebar();
} else if (xDiff < 0 && curX < 300) {
hideSidebar();
}
firstContact = null;
}
}, { passive: true });
})();
(function chapterNavigation() {
document.addEventListener('keydown', function(e) {
if (e.altKey || e.ctrlKey || e.metaKey) {
return;
}
if (window.search && window.search.hasFocus()) {
return;
}
const html = document.querySelector('html');
function next() {
const nextButton = document.querySelector('.nav-chapters.next');
if (nextButton) {
window.location.href = nextButton.href;
}
}
function prev() {
const previousButton = document.querySelector('.nav-chapters.previous');
if (previousButton) {
window.location.href = previousButton.href;
}
}
function showHelp() {
const container = document.getElementById('mdbook-help-container');
const overlay = document.getElementById('mdbook-help-popup');
container.style.display = 'flex';
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const mouseHandler = event => {
if (overlay.contains(event.target)) {
return;
}
if (event.button !== 0) {
return;
}
event.preventDefault();
event.stopPropagation();
document.removeEventListener('mousedown', mouseHandler);
hideHelp();
};
// Pressing esc will dismiss the popup.
const escapeKeyHandler = event => {
if (event.key === 'Escape') {
event.preventDefault();
event.stopPropagation();
document.removeEventListener('keydown', escapeKeyHandler, true);
hideHelp();
}
};
document.addEventListener('keydown', escapeKeyHandler, true);
document.getElementById('mdbook-help-container')
.addEventListener('mousedown', mouseHandler);
}
function hideHelp() {
document.getElementById('mdbook-help-container').style.display = 'none';
}
// Usually needs the Shift key to be pressed
switch (e.key) {
case '?':
e.preventDefault();
showHelp();
break;
}
// Rest of the keys are only active when the Shift key is not pressed
if (e.shiftKey) {
return;
}
switch (e.key) {
case 'ArrowRight':
e.preventDefault();
if (html.dir === 'rtl') {
prev();
} else {
next();
}
break;
case 'ArrowLeft':
e.preventDefault();
if (html.dir === 'rtl') {
next();
} else {
prev();
}
break;
}
});
})();
(function clipboard() {
const clipButtons = document.querySelectorAll('.clip-button');
function hideTooltip(elem) {
elem.firstChild.innerText = '';
elem.className = 'clip-button';
}
function showTooltip(elem, msg) {
elem.firstChild.innerText = msg;
elem.className = 'clip-button tooltipped';
}
const clipboardSnippets = new ClipboardJS('.clip-button', {
text: function(trigger) {
hideTooltip(trigger);
const playground = trigger.closest('pre');
return playground_text(playground, false);
},
});
Array.from(clipButtons).forEach(function(clipButton) {
clipButton.addEventListener('mouseout', function(e) {
hideTooltip(e.currentTarget);
});
});
clipboardSnippets.on('success', function(e) {
e.clearSelection();
showTooltip(e.trigger, 'Copied!');
});
clipboardSnippets.on('error', function(e) {
showTooltip(e.trigger, 'Clipboard error!');
});
})();
(function scrollToTop() {
const menuTitle = document.querySelector('.menu-title');
menuTitle.addEventListener('click', function() {
document.scrollingElement.scrollTo({ top: 0, behavior: 'smooth' });
});
})();
(function controllMenu() {
const menu = document.getElementById('mdbook-menu-bar');
(function controllPosition() {
let scrollTop = document.scrollingElement.scrollTop;
let prevScrollTop = scrollTop;
const minMenuY = -menu.clientHeight - 50;
// When the script loads, the page can be at any scroll (e.g. if you refresh it).
menu.style.top = scrollTop + 'px';
// Same as parseInt(menu.style.top.slice(0, -2), but faster
let topCache = menu.style.top.slice(0, -2);
menu.classList.remove('sticky');
let stickyCache = false; // Same as menu.classList.contains('sticky'), but faster
document.addEventListener('scroll', function() {
scrollTop = Math.max(document.scrollingElement.scrollTop, 0);
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let nextTop = null;
const scrollDown = scrollTop > prevScrollTop;
const menuPosAbsoluteY = topCache - scrollTop;
if (scrollDown) {
nextSticky = false;
if (menuPosAbsoluteY > 0) {
nextTop = prevScrollTop;
}
} else {
if (menuPosAbsoluteY > 0) {
nextSticky = true;
} else if (menuPosAbsoluteY < minMenuY) {
nextTop = prevScrollTop + minMenuY;
}
}
if (nextSticky === true && stickyCache === false) {
menu.classList.add('sticky');
stickyCache = true;
} else if (nextSticky === false && stickyCache === true) {
menu.classList.remove('sticky');
stickyCache = false;
}
if (nextTop !== null) {
menu.style.top = nextTop + 'px';
topCache = nextTop;
}
prevScrollTop = scrollTop;
}, { passive: true });
})();
(function controllBorder() {
function updateBorder() {
if (menu.offsetTop === 0) {
menu.classList.remove('bordered');
} else {
menu.classList.add('bordered');
}
}
updateBorder();
document.addEventListener('scroll', updateBorder, { passive: true });
})();
})();

7
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<!DOCTYPE HTML>
<html lang="en" class="light sidebar-visible" dir="ltr">
<head>
<!-- Book generated using mdBook -->
<meta charset="UTF-8">
<title>Comments - Solstice Docs</title>
<!-- Custom HTML head -->
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff">
<link rel="icon" href="favicon-97ae436f.svg">
<link rel="shortcut icon" href="favicon-9392e324.png">
<link rel="stylesheet" href="css/variables-16ac1224.css">
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<link rel="stylesheet" href="css/chrome-ae938929.css">
<link rel="stylesheet" href="css/print-9e4910d8.css" media="print">
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const path_to_root = "";
const default_light_theme = "light";
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window.path_to_searchindex_js = "searchindex-c698e2a6.js";
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<script src="toc-cb4e10de.js"></script>
</head>
<body>
<div id="mdbook-help-container">
<div id="mdbook-help-popup">
<h2 class="mdbook-help-title">Keyboard shortcuts</h2>
<div>
<p>Press <kbd></kbd> or <kbd></kbd> to navigate between chapters</p>
<p>Press <kbd>S</kbd> or <kbd>/</kbd> to search in the book</p>
<p>Press <kbd>?</kbd> to show this help</p>
<p>Press <kbd>Esc</kbd> to hide this help</p>
</div>
</div>
</div>
<div id="mdbook-body-container">
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<script>
try {
let theme = localStorage.getItem('mdbook-theme');
let sidebar = localStorage.getItem('mdbook-sidebar');
if (theme.startsWith('"') && theme.endsWith('"')) {
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<h1 id="comments"><a class="header" href="#comments">Comments</a></h1>
<p>Comments in Solstice can be done in 3 ways:</p>
<h2 id="-single-line-comment"><a class="header" href="#-single-line-comment"><code>//</code> (Single-Line Comment)</a></h2>
<p>Use <code>//</code> to tell Solstice to ignore text until the end of the line.</p>
<p>This kind of comment should be used inside code to explain how parts of code work.</p>
<h2 id="--multiline-comment"><a class="header" href="#--multiline-comment"><code>/* */</code> (Multiline Comment)</a></h2>
<p>Use <code>/*</code> and <code>*/</code> to tell Solstice to ignore text in between the two markers.</p>
<p>This kind of comment should be used for explainations of how functions and structs work, placed above the definition.</p>
<h2 id="-shebang-comment"><a class="header" href="#-shebang-comment"><code>#</code> (Shebang Comment)</a></h2>
<p>Use <code>#</code> to tell Solstice to ignore text until the end of the line.</p>
<p>This kind of comment should be used in a shebang (writing <code>#!/usr/bin/env solstice</code> at the top of your entry point source file), not in the middle.</p>
<h2 id="example"><a class="header" href="#example">Example</a></h2>
<pre><code class="language-solstice">#!/usr/bin/env solstice
/*
This function does something.
Input:
funnyNumber: A funny number
Returns: Another funny number
*/
def doSomething(int funnyNumber) int {
// Tell the user the number is funny
puts "The number" funnyNumber "is very funny"
// Now give them another funny number
return 532
}
</code></pre>
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flex-wrap: wrap;
background-color: var(--bg);
border-block-end-color: var(--bg);
border-block-end-width: 1px;
border-block-end-style: solid;
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#mdbook-menu-bar.sticky,
#mdbook-menu-bar-hover-placeholder:hover + #mdbook-menu-bar,
#mdbook-menu-bar:hover,
html.sidebar-visible #mdbook-menu-bar {
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position: sticky;
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.nav-chapters,
.nav-chapters:visited,
.mobile-nav-chapters,
.mobile-nav-chapters:visited,
.menu-bar .icon-button,
.menu-bar a .fa-svg {
color: var(--icons);
}
.menu-bar .fa-svg:hover,
.menu-bar .icon-button:hover,
.nav-chapters:hover,
.mobile-nav-chapters .fa-svg:hover {
color: var(--icons-hover);
}
/* Nav Icons */
.nav-chapters {
font-size: 2.5em;
text-align: center;
text-decoration: none;
position: fixed;
top: 0;
bottom: 0;
margin: 0;
max-width: 150px;
min-width: 90px;
display: flex;
justify-content: center;
align-content: center;
flex-direction: column;
transition: color 0.5s, background-color 0.5s;
}
.nav-chapters:hover {
text-decoration: none;
background-color: var(--theme-hover);
transition: background-color 0.15s, color 0.15s;
}
.nav-wrapper {
margin-block-start: 50px;
display: none;
}
.mobile-nav-chapters {
font-size: 2.5em;
text-align: center;
text-decoration: none;
width: 90px;
border-radius: 5px;
background-color: var(--sidebar-bg);
}
/* Only Firefox supports flow-relative values */
.previous { float: left; }
[dir=rtl] .previous { float: right; }
/* Only Firefox supports flow-relative values */
.next {
float: right;
right: var(--page-padding);
}
[dir=rtl] .next {
float: left;
right: unset;
left: var(--page-padding);
}
@media only screen and (max-width: 1080px) {
.nav-wide-wrapper { display: none; }
.nav-wrapper { display: block; }
}
/* sidebar-visible */
@media only screen and (max-width: 1380px) {
#mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper .nav-wide-wrapper { display: none; }
#mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper .nav-wrapper { display: block; }
}
/* Inline code */
:not(pre) > .hljs {
display: inline;
padding: 0.1em 0.3em;
border-radius: 3px;
}
:not(pre):not(a) > .hljs {
color: var(--inline-code-color);
overflow-x: initial;
}
a:hover > .hljs {
text-decoration: underline;
}
pre {
position: relative;
}
pre > .buttons {
position: absolute;
z-index: 100;
right: 0px;
top: 2px;
margin: 0px;
padding: 2px 0px;
color: var(--sidebar-fg);
cursor: pointer;
visibility: hidden;
opacity: 0;
transition: visibility 0.1s linear, opacity 0.1s linear;
}
pre:hover > .buttons {
visibility: visible;
opacity: 1
}
pre > .buttons :hover {
color: var(--sidebar-active);
border-color: var(--icons-hover);
background-color: var(--theme-hover);
}
pre > .buttons button {
cursor: inherit;
margin: 0px 5px;
padding: 2px 3px 0px 4px;
font-size: 23px;
border-style: solid;
border-width: 1px;
border-radius: 4px;
border-color: var(--icons);
background-color: var(--theme-popup-bg);
transition: 100ms;
transition-property: color,border-color,background-color;
color: var(--icons);
}
pre > .buttons button.clip-button {
padding: 2px 4px 0px 6px;
}
pre > .buttons button.clip-button::before {
/* clipboard image from octicons (https://github.com/primer/octicons/tree/v2.0.0) MIT license
*/
content: url('data:image/svg+xml,<svg width="21" height="20" viewBox="0 0 24 25" \
xmlns="http://www.w3.org/2000/svg" aria-label="Copy to clipboard">\
<path d="M18 20h2v3c0 1-1 2-2 2H2c-.998 0-2-1-2-2V5c0-.911.755-1.667 1.667-1.667h5A3.323 3.323 0 \
0110 0a3.323 3.323 0 013.333 3.333h5C19.245 3.333 20 4.09 20 5v8.333h-2V9H2v14h16v-3zM3 \
7h14c0-.911-.793-1.667-1.75-1.667H13.5c-.957 0-1.75-.755-1.75-1.666C11.75 2.755 10.957 2 10 \
2s-1.75.755-1.75 1.667c0 .911-.793 1.666-1.75 1.666H4.75C3.793 5.333 3 6.09 3 7z"/>\
<path d="M4 19h6v2H4zM12 11H4v2h8zM4 17h4v-2H4zM15 15v-3l-4.5 4.5L15 21v-3l8.027-.032L23 15z"/>\
</svg>');
filter: var(--copy-button-filter);
}
pre > .buttons button.clip-button:hover::before {
filter: var(--copy-button-filter-hover);
}
@media (pointer: coarse) {
pre > .buttons button {
/* On mobile, make it easier to tap buttons. */
padding: 0.3rem 1rem;
}
.sidebar-resize-indicator {
/* Hide resize indicator on devices with limited accuracy */
display: none;
}
}
pre > code {
display: block;
padding: 1rem;
}
/* FIXME: ACE editors overlap their buttons because ACE does absolute
positioning within the code block which breaks padding. The only solution I
can think of is to move the padding to the outer pre tag (or insert a div
wrapper), but that would require fixing a whole bunch of CSS rules.
*/
.hljs.ace_editor {
padding: 0rem 0rem;
}
pre > .result {
margin-block-start: 10px;
}
/* Search */
#mdbook-searchresults a {
text-decoration: none;
}
mark {
border-radius: 2px;
padding-block-start: 0;
padding-block-end: 1px;
padding-inline-start: 3px;
padding-inline-end: 3px;
margin-block-start: 0;
margin-block-end: -1px;
margin-inline-start: -3px;
margin-inline-end: -3px;
background-color: var(--search-mark-bg);
transition: background-color 300ms linear;
cursor: pointer;
}
mark.fade-out {
background-color: rgba(0,0,0,0) !important;
cursor: auto;
}
.searchbar-outer {
margin-inline-start: auto;
margin-inline-end: auto;
max-width: var(--content-max-width);
}
#mdbook-searchbar-outer.searching #mdbook-searchbar {
padding-right: 30px;
}
#mdbook-searchbar-outer .spinner-wrapper {
display: none;
}
#mdbook-searchbar-outer.searching .spinner-wrapper {
display: block;
}
.search-wrapper {
position: relative;
}
.spinner-wrapper {
--spinner-margin: 2px;
position: absolute;
margin-block-start: calc(var(--searchbar-margin-block-start) + var(--spinner-margin));
right: var(--spinner-margin);
top: 0;
bottom: var(--spinner-margin);
padding: 6px;
background-color: var(--bg);
}
#fa-spin {
animation: rotating 2s linear infinite;
display: inline-block;
}
@keyframes rotating {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
#mdbook-searchbar {
width: 100%;
margin-block-start: var(--searchbar-margin-block-start);
margin-block-end: 0;
margin-inline-start: auto;
margin-inline-end: auto;
padding: 10px 16px;
transition: box-shadow 300ms ease-in-out;
border: 1px solid var(--searchbar-border-color);
border-radius: 3px;
background-color: var(--searchbar-bg);
color: var(--searchbar-fg);
}
#mdbook-searchbar:focus,
#mdbook-searchbar.active {
box-shadow: 0 0 3px var(--searchbar-shadow-color);
}
.searchresults-header {
font-weight: bold;
font-size: 1em;
padding-block-start: 18px;
padding-block-end: 0;
padding-inline-start: 5px;
padding-inline-end: 0;
color: var(--searchresults-header-fg);
}
.searchresults-outer {
margin-inline-start: auto;
margin-inline-end: auto;
max-width: var(--content-max-width);
border-block-end: 1px dashed var(--searchresults-border-color);
}
ul#mdbook-searchresults {
list-style: none;
padding-inline-start: 20px;
}
ul#mdbook-searchresults li {
margin: 10px 0px;
padding: 2px;
border-radius: 2px;
}
ul#mdbook-searchresults li.focus {
background-color: var(--searchresults-li-bg);
}
ul#mdbook-searchresults span.teaser {
display: block;
clear: both;
margin-block-start: 5px;
margin-block-end: 0;
margin-inline-start: 20px;
margin-inline-end: 0;
font-size: 0.8em;
}
ul#mdbook-searchresults span.teaser em {
font-weight: bold;
font-style: normal;
}
/* Sidebar */
.sidebar {
position: fixed;
left: 0;
top: 0;
bottom: 0;
width: var(--sidebar-width);
font-size: 0.875em;
box-sizing: border-box;
-webkit-overflow-scrolling: touch;
overscroll-behavior-y: contain;
background-color: var(--sidebar-bg);
color: var(--sidebar-fg);
}
.sidebar-iframe-inner {
--padding: 10px;
background-color: var(--sidebar-bg);
padding: var(--padding);
margin: 0;
font-size: 1.4rem;
color: var(--sidebar-fg);
min-height: calc(100vh - var(--padding) * 2);
}
.sidebar-iframe-outer {
border: none;
height: 100%;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
[dir=rtl] .sidebar { left: unset; right: 0; }
.sidebar-resizing {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}
html:not(.sidebar-resizing) .sidebar {
transition: transform 0.3s; /* Animation: slide away */
}
.sidebar code {
line-height: 2em;
}
.sidebar .sidebar-scrollbox {
overflow-y: auto;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
padding: 10px 10px;
}
.sidebar .sidebar-resize-handle {
position: absolute;
cursor: col-resize;
width: 0;
right: calc(var(--sidebar-resize-indicator-width) * -1);
top: 0;
bottom: 0;
display: flex;
align-items: center;
}
.sidebar-resize-handle .sidebar-resize-indicator {
width: 100%;
height: 16px;
color: var(--icons);
margin-inline-start: var(--sidebar-resize-indicator-space);
display: flex;
align-items: center;
justify-content: flex-start;
}
.sidebar-resize-handle .sidebar-resize-indicator::before {
content: "";
width: 2px;
height: 12px;
border-left: dotted 2px currentColor;
}
.sidebar-resize-handle .sidebar-resize-indicator::after {
content: "";
width: 2px;
height: 16px;
border-left: dotted 2px currentColor;
}
[dir=rtl] .sidebar .sidebar-resize-handle {
left: calc(var(--sidebar-resize-indicator-width) * -1);
right: unset;
}
.js .sidebar .sidebar-resize-handle {
cursor: col-resize;
width: calc(var(--sidebar-resize-indicator-width) - var(--sidebar-resize-indicator-space));
}
html:not(.js) .sidebar-resize-handle {
display: none;
}
/* sidebar-hidden */
#mdbook-sidebar-toggle-anchor:not(:checked) ~ .sidebar {
transform: translateX(calc(0px - var(--sidebar-width) - var(--sidebar-resize-indicator-width)));
}
[dir=rtl] #mdbook-sidebar-toggle-anchor:not(:checked) ~ .sidebar {
transform: translateX(calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width)));
}
.sidebar::-webkit-scrollbar {
background: var(--sidebar-bg);
}
.sidebar::-webkit-scrollbar-thumb {
background: var(--scrollbar);
}
/* sidebar-visible */
#mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper {
transform: translateX(calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width)));
}
[dir=rtl] #mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper {
transform: translateX(calc(0px - var(--sidebar-width) - var(--sidebar-resize-indicator-width)));
}
@media only screen and (min-width: 620px) {
#mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper {
transform: none;
margin-inline-start: calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width));
}
[dir=rtl] #mdbook-sidebar-toggle-anchor:checked ~ .page-wrapper {
transform: none;
}
}
.chapter {
list-style: none outside none;
padding-inline-start: 0;
line-height: 2.2em;
}
.chapter li {
color: var(--sidebar-non-existant);
}
/* This is a span wrapping the chapter link and the fold chevron. */
.chapter-link-wrapper {
/* Used to position the chevron to the right, allowing the text to wrap before it. */
display: flex;
}
.chapter li a {
/* Remove underlines. */
text-decoration: none;
color: var(--sidebar-fg);
}
.chapter li a:hover {
color: var(--sidebar-active);
}
.chapter li a.active {
color: var(--sidebar-active);
}
/* This is the toggle chevron. */
.chapter-fold-toggle {
cursor: pointer;
/* Positions the chevron to the side. */
margin-inline-start: auto;
padding: 0 10px;
user-select: none;
opacity: 0.68;
}
.chapter-fold-toggle div {
transition: transform 0.5s;
}
/* collapse the section */
.chapter li:not(.expanded) > ol {
display: none;
}
.chapter li.chapter-item {
line-height: 1.5em;
margin-block-start: 0.6em;
}
/* When expanded, rotate the chevron to point down. */
.chapter li.expanded > span > .chapter-fold-toggle div {
transform: rotate(90deg);
}
.chapter a.current-header {
color: var(--sidebar-active);
}
.on-this-page {
margin-left: 22px;
border-inline-start: 4px solid var(--sidebar-header-border-color);
padding-left: 8px;
}
.on-this-page > ol {
padding-left: 0;
}
/* Horizontal line in chapter list. */
.spacer {
width: 100%;
height: 3px;
margin: 5px 0px;
}
.chapter .spacer {
background-color: var(--sidebar-spacer);
}
/* On touch devices, add more vertical spacing to make it easier to tap links. */
@media (-moz-touch-enabled: 1), (pointer: coarse) {
.chapter li a { padding: 5px 0; }
.spacer { margin: 10px 0; }
}
.section {
list-style: none outside none;
padding-inline-start: 20px;
line-height: 1.9em;
}
/* Theme Menu Popup */
.theme-popup {
position: absolute;
left: 10px;
top: var(--menu-bar-height);
z-index: 1000;
border-radius: 4px;
font-size: 0.7em;
color: var(--fg);
background: var(--theme-popup-bg);
border: 1px solid var(--theme-popup-border);
margin: 0;
padding: 0;
list-style: none;
display: none;
/* Don't let the children's background extend past the rounded corners. */
overflow: hidden;
}
[dir=rtl] .theme-popup { left: unset; right: 10px; }
.theme-popup .default {
color: var(--icons);
}
.theme-popup .theme {
width: 100%;
border: 0;
margin: 0;
padding: 2px 20px;
line-height: 25px;
white-space: nowrap;
text-align: start;
cursor: pointer;
color: inherit;
background: inherit;
font-size: inherit;
}
.theme-popup .theme:hover {
background-color: var(--theme-hover);
}
.theme-selected::before {
display: inline-block;
content: "✓";
margin-inline-start: -14px;
width: 14px;
}
/* The container for the help popup that covers the whole window. */
#mdbook-help-container {
/* Position and size for the whole window. */
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
/* This uses flex layout (which is set in book.js), and centers the popup
in the window.*/
display: none;
align-items: center;
justify-content: center;
z-index: 1000;
/* Dim out the book while the popup is visible. */
background: var(--overlay-bg);
}
/* The popup help box. */
#mdbook-help-popup {
box-shadow: 0 4px 24px rgba(0,0,0,0.15);
min-width: 300px;
max-width: 500px;
width: 100%;
box-sizing: border-box;
display: flex;
flex-direction: column;
align-items: center;
background-color: var(--bg);
color: var(--fg);
border-width: 1px;
border-color: var(--theme-popup-border);
border-style: solid;
border-radius: 8px;
padding: 10px;
}
.mdbook-help-title {
text-align: center;
/* mdbook's margin for h2 is way too large. */
margin: 10px;
}

View File

@@ -0,0 +1,408 @@
/* Base styles and content styles */
:root {
/* Browser default font-size is 16px, this way 1 rem = 10px */
font-size: 62.5%;
color-scheme: var(--color-scheme);
}
html {
font-family: "Inter", sans-serif;
color: var(--fg);
background-color: var(--bg);
text-size-adjust: none;
-webkit-text-size-adjust: none;
}
body {
margin: 0;
font-size: 1.6rem;
overflow-x: hidden;
}
code {
font-family: var(--mono-font) !important;
font-size: var(--code-font-size);
direction: ltr !important;
}
/* make long words/inline code not x overflow */
main {
overflow-wrap: break-word;
}
/* make wide tables scroll if they overflow */
.table-wrapper {
overflow-x: auto;
}
/* Don't change font size in headers. */
h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
font-size: unset;
}
.left { float: left; }
.right { float: right; }
.boring { opacity: 0.6; }
.hide-boring .boring { display: none; }
.hidden { display: none !important; }
h2, h3 { margin-block-start: 2.5em; }
h4, h5 { margin-block-start: 2em; }
.header + .header h3,
.header + .header h4,
.header + .header h5 {
margin-block-start: 1em;
}
h1:target::before,
h2:target::before,
h3:target::before,
h4:target::before,
h5:target::before,
h6:target::before,
dt:target::before {
display: inline-block;
content: "»";
margin-inline-start: -30px;
width: 30px;
}
/* This is broken on Safari as of version 14, but is fixed
in Safari Technology Preview 117 which I think will be Safari 14.2.
https://bugs.webkit.org/show_bug.cgi?id=218076
*/
:target {
/* Safari does not support logical properties */
scroll-margin-top: calc(var(--menu-bar-height) + 0.5em);
}
.page {
outline: 0;
padding: 0 var(--page-padding);
margin-block-start: calc(0px - var(--menu-bar-height)); /* Compensate for the #mdbook-menu-bar-hover-placeholder */
}
.page-wrapper {
box-sizing: border-box;
background-color: var(--bg);
}
html:not(.js) .page-wrapper,
.js:not(.sidebar-resizing) .page-wrapper {
transition: margin-left 0.3s ease, transform 0.3s ease; /* Animation: slide away */
}
[dir=rtl]:not(.js) .page-wrapper,
[dir=rtl].js:not(.sidebar-resizing) .page-wrapper {
transition: margin-right 0.3s ease, transform 0.3s ease; /* Animation: slide away */
}
.content {
overflow-y: auto;
padding: 0 5px 50px 5px;
}
.content main {
margin-inline-start: auto;
margin-inline-end: auto;
max-width: var(--content-max-width);
}
.content p { line-height: 1.45em; }
.content ol { line-height: 1.45em; }
.content ul { line-height: 1.45em; }
.content a { text-decoration: none; }
.content a:hover { text-decoration: underline; }
.content img, .content video { max-width: 100%; }
.content .header:link,
.content .header:visited {
color: var(--fg);
}
.content .header:link,
.content .header:visited:hover {
text-decoration: none;
}
table {
margin: 0 auto;
border-collapse: collapse;
}
table td {
padding: 3px 20px;
border: 1px var(--table-border-color) solid;
}
table thead {
background: var(--table-header-bg);
}
table thead td {
font-weight: 700;
border: none;
}
table thead th {
padding: 3px 20px;
}
table thead tr {
border: 1px var(--table-header-bg) solid;
}
/* Alternate background colors for rows */
table tbody tr:nth-child(2n) {
background: var(--table-alternate-bg);
}
blockquote {
margin: 20px 0;
padding: 0 20px;
color: var(--fg);
background-color: var(--quote-bg);
border-block-start: .1em solid var(--quote-border);
border-block-end: .1em solid var(--quote-border);
}
/* TODO: Remove .warning in a future version of mdbook, it is replaced by
blockquote tags. */
.warning {
margin: 20px;
padding: 0 20px;
border-inline-start: 2px solid var(--warning-border);
}
.warning:before {
position: absolute;
width: 3rem;
height: 3rem;
margin-inline-start: calc(-1.5rem - 21px);
content: "ⓘ";
text-align: center;
background-color: var(--bg);
color: var(--warning-border);
font-weight: bold;
font-size: 2rem;
}
blockquote .warning:before {
background-color: var(--quote-bg);
}
kbd {
background-color: var(--table-border-color);
border-radius: 4px;
border: solid 1px var(--theme-popup-border);
box-shadow: inset 0 -1px 0 var(--theme-hover);
display: inline-block;
font-size: var(--code-font-size);
font-family: var(--mono-font);
line-height: 10px;
padding: 4px 5px;
vertical-align: middle;
}
sup {
/* Set the line-height for superscript and footnote references so that there
isn't an awkward space appearing above lines that contain the footnote.
See https://github.com/rust-lang/mdBook/pull/2443#discussion_r1813773583
for an explanation.
*/
line-height: 0;
}
.footnote-definition {
font-size: 0.9em;
}
/* The default spacing for a list is a little too large. */
.footnote-definition ul,
.footnote-definition ol {
padding-left: 20px;
}
.footnote-definition > li {
/* Required to position the ::before target */
position: relative;
}
.footnote-definition > li:target {
scroll-margin-top: 50vh;
}
.footnote-reference:target {
scroll-margin-top: 50vh;
}
/* Draws a border around the footnote (including the marker) when it is selected.
TODO: If there are multiple linkbacks, highlight which one you just came
from so you know which one to click.
*/
.footnote-definition > li:target::before {
border: 2px solid var(--footnote-highlight);
border-radius: 6px;
position: absolute;
top: -8px;
right: -8px;
bottom: -8px;
left: -32px;
pointer-events: none;
content: "";
}
/* Pulses the footnote reference so you can quickly see where you left off reading.
This could use some improvement.
*/
@media not (prefers-reduced-motion) {
.footnote-reference:target {
animation: fn-highlight 0.8s;
border-radius: 2px;
}
@keyframes fn-highlight {
from {
background-color: var(--footnote-highlight);
}
}
}
.tooltiptext {
position: absolute;
visibility: hidden;
color: #fff;
background-color: #333;
transform: translateX(-50%); /* Center by moving tooltip 50% of its width left */
left: -8px; /* Half of the width of the icon */
top: -35px;
font-size: 0.8em;
text-align: center;
border-radius: 6px;
padding: 5px 8px;
margin: 5px;
z-index: 1000;
}
.tooltipped .tooltiptext {
visibility: visible;
}
.chapter li.part-title {
color: var(--sidebar-fg);
margin: 5px 0px;
font-weight: bold;
}
.result-no-output {
font-style: italic;
}
.fa-svg svg {
width: 1em;
height: 1em;
fill: currentColor;
margin-bottom: -0.1em;
}
dt {
font-weight: bold;
margin-top: 0.5em;
margin-bottom: 0.1em;
}
/* This uses a CSS counter to add numbers to definitions, but only if there is
more than one definition. */
dl, dt {
counter-reset: dd-counter;
}
/* When there is more than one definition, increment the counter. The first
selector selects the first definition, and the second one selects definitions
2 and beyond.*/
dd:has(+ dd), dd + dd {
counter-increment: dd-counter;
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#mdbook-sidebar,
#mdbook-menu-bar,
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display: none;
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z-index: 2;
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display: none !important;
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/* Globals */
:root {
--sidebar-target-width: 300px;
--sidebar-width: min(var(--sidebar-target-width), 80vw);
--sidebar-resize-indicator-width: 8px;
--sidebar-resize-indicator-space: 2px;
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--menu-bar-height: 50px;
--mono-font: "JetBrains Mono", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
--code-font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
--searchbar-margin-block-start: 5px;
}
/* Themes */
.ayu {
--bg: hsl(210, 25%, 8%);
--fg: #c5c5c5;
--sidebar-bg: #14191f;
--sidebar-fg: #c8c9db;
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--scrollbar: var(--sidebar-fg);
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--icons-hover: #b7b9cc;
--links: #0096cf;
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--searchresults-li-bg: #252932;
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--color-scheme: dark;
/* Same as `--icons` */
--copy-button-filter: invert(45%) sepia(6%) saturate(621%) hue-rotate(198deg) brightness(99%) contrast(85%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(68%) sepia(55%) saturate(531%) hue-rotate(341deg) brightness(104%) contrast(101%);
--footnote-highlight: #2668a6;
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--scrollbar: var(--sidebar-fg);
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--searchresults-li-bg: #2b2b2f;
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--color-scheme: dark;
/* Same as `--icons` */
--copy-button-filter: invert(26%) sepia(8%) saturate(575%) hue-rotate(169deg) brightness(87%) contrast(82%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(36%) sepia(70%) saturate(503%) hue-rotate(167deg) brightness(98%) contrast(89%);
--footnote-highlight: #4079ae;
--overlay-bg: rgba(33, 40, 48, 0.4);
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--blockquote-tip-color: #08ae08;
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--blockquote-warning-color: #d29922;
--blockquote-caution-color: #d91b29;
--sidebar-header-border-color: #3473ad;
}
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--bg: hsl(0, 0%, 100%);
--fg: hsl(0, 0%, 0%);
--sidebar-bg: #fafafa;
--sidebar-fg: hsl(0, 0%, 0%);
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--sidebar-active: #1f1fff;
--sidebar-spacer: #f4f4f4;
--scrollbar: #8F8F8F;
--icons: #747474;
--icons-hover: #000000;
--links: #20609f;
--inline-code-color: #301900;
--theme-popup-bg: #fafafa;
--theme-popup-border: #cccccc;
--theme-hover: #e6e6e6;
--quote-bg: hsl(197, 37%, 96%);
--quote-border: hsl(197, 37%, 91%);
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--table-header-bg: hsl(0, 0%, 80%);
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--searchbar-bg: #fafafa;
--searchbar-fg: #000;
--searchbar-shadow-color: #aaa;
--searchresults-header-fg: #666;
--searchresults-border-color: #888;
--searchresults-li-bg: #e4f2fe;
--search-mark-bg: #a2cff5;
--color-scheme: light;
/* Same as `--icons` */
--copy-button-filter: invert(45.49%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(14%) sepia(93%) saturate(4250%) hue-rotate(243deg) brightness(99%) contrast(130%);
--footnote-highlight: #7e7eff;
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}
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--fg: #bcbdd0;
--sidebar-bg: #282d3f;
--sidebar-fg: #c8c9db;
--sidebar-non-existant: #505274;
--sidebar-active: #2b79a2;
--sidebar-spacer: #2d334f;
--scrollbar: var(--sidebar-fg);
--icons: #737480;
--icons-hover: #b7b9cc;
--links: #2b79a2;
--inline-code-color: #c5c8c6;
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--theme-popup-border: #737480;
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--warning-border: #ff8e00;
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--searchbar-border-color: #aaa;
--searchbar-bg: #aeaec6;
--searchbar-fg: #000;
--searchbar-shadow-color: #aaa;
--searchresults-header-fg: #5f5f71;
--searchresults-border-color: #5c5c68;
--searchresults-li-bg: #242430;
--search-mark-bg: #a2cff5;
--color-scheme: dark;
/* Same as `--icons` */
--copy-button-filter: invert(51%) sepia(10%) saturate(393%) hue-rotate(198deg) brightness(86%) contrast(87%);
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--copy-button-filter-hover: invert(46%) sepia(20%) saturate(1537%) hue-rotate(156deg) brightness(85%) contrast(90%);
--footnote-highlight: #4079ae;
--overlay-bg: rgba(33, 40, 48, 0.4);
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}
.rust {
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--fg: #262625;
--sidebar-bg: #3b2e2a;
--sidebar-fg: #c8c9db;
--sidebar-non-existant: #505254;
--sidebar-active: #e69f67;
--sidebar-spacer: #45373a;
--scrollbar: var(--sidebar-fg);
--icons: #737480;
--icons-hover: #262625;
--links: #2b79a2;
--inline-code-color: #6e6b5e;
--theme-popup-bg: #e1e1db;
--theme-popup-border: #b38f6b;
--theme-hover: #99908a;
--quote-bg: hsl(60, 5%, 75%);
--quote-border: hsl(60, 5%, 70%);
--warning-border: #ff8e00;
--table-border-color: hsl(60, 9%, 82%);
--table-header-bg: #b3a497;
--table-alternate-bg: hsl(60, 9%, 84%);
--searchbar-border-color: #aaa;
--searchbar-bg: #fafafa;
--searchbar-fg: #000;
--searchbar-shadow-color: #aaa;
--searchresults-header-fg: #666;
--searchresults-border-color: #888;
--searchresults-li-bg: #dec2a2;
--search-mark-bg: #e69f67;
/* Same as `--icons` */
--copy-button-filter: invert(51%) sepia(10%) saturate(393%) hue-rotate(198deg) brightness(86%) contrast(87%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(77%) sepia(16%) saturate(1798%) hue-rotate(328deg) brightness(98%) contrast(83%);
--footnote-highlight: #d3a17a;
--overlay-bg: rgba(150, 150, 150, 0.25);
--blockquote-note-color: #023b95;
--blockquote-tip-color: #007700;
--blockquote-important-color: #8250df;
--blockquote-warning-color: #603700;
--blockquote-caution-color: #aa1721;
--sidebar-header-border-color: #8c391f;
}
.navy {
--bg: #161031;
--fg: #ffffff;
--sidebar-bg: #080511;
--sidebar-fg: #bebebf;
--sidebar-non-existant: #505274;
--sidebar-active: #a594f9;
--sidebar-spacer: #2d334f;
--scrollbar: var(--sidebar-fg);
--icons: #737480;
--icons-hover: #b7b9cc;
--links: #a594f9;
--inline-code-color: #c5c8c6;
--theme-popup-bg: #161923;
--theme-popup-border: #737480;
--theme-hover: #282e40;
--quote-bg: hsl(226, 15%, 17%);
--quote-border: hsl(226, 15%, 22%);
--warning-border: #ff8e00;
--table-border-color: hsl(226, 23%, 16%);
--table-header-bg: hsl(226, 23%, 31%);
--table-alternate-bg: hsl(226, 23%, 14%);
--searchbar-border-color: #aaa;
--searchbar-bg: #aeaec6;
--searchbar-fg: #000;
--searchbar-shadow-color: #aaa;
--searchresults-header-fg: #5f5f71;
--searchresults-border-color: #5c5c68;
--searchresults-li-bg: #242430;
--search-mark-bg: #a2cff5;
--color-scheme: dark;
/* Same as `--icons` */
--copy-button-filter: invert(51%) sepia(10%) saturate(393%) hue-rotate(198deg) brightness(86%) contrast(87%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(46%) sepia(20%) saturate(1537%) hue-rotate(156deg) brightness(85%) contrast(90%);
--footnote-highlight: #4079ae;
--overlay-bg: rgba(33, 40, 48, 0.4);
--blockquote-note-color: #4493f8;
--blockquote-tip-color: #09ca09;
--blockquote-important-color: #ab7df8;
--blockquote-warning-color: #d29922;
--blockquote-caution-color: #f21424;
--sidebar-header-border-color: #000000;
}
@media (prefers-color-scheme: dark) {
html:not(.js) {
--bg: hsl(200, 7%, 8%);
--fg: #98a3ad;
--sidebar-bg: #292c2f;
--sidebar-fg: #a1adb8;
--sidebar-non-existant: #505254;
--sidebar-active: #3473ad;
--sidebar-spacer: #393939;
--scrollbar: var(--sidebar-fg);
--icons: #43484d;
--icons-hover: #b3c0cc;
--links: #2b79a2;
--inline-code-color: #c5c8c6;
--theme-popup-bg: #141617;
--theme-popup-border: #43484d;
--theme-hover: #1f2124;
--quote-bg: hsl(234, 21%, 18%);
--quote-border: hsl(234, 21%, 23%);
--warning-border: #ff8e00;
--table-border-color: hsl(200, 7%, 13%);
--table-header-bg: hsl(200, 7%, 28%);
--table-alternate-bg: hsl(200, 7%, 11%);
--searchbar-border-color: #aaa;
--searchbar-bg: #b7b7b7;
--searchbar-fg: #000;
--searchbar-shadow-color: #aaa;
--searchresults-header-fg: #666;
--searchresults-border-color: #98a3ad;
--searchresults-li-bg: #2b2b2f;
--search-mark-bg: #355c7d;
--color-scheme: dark;
/* Same as `--icons` */
--copy-button-filter: invert(26%) sepia(8%) saturate(575%) hue-rotate(169deg) brightness(87%) contrast(82%);
/* Same as `--sidebar-active` */
--copy-button-filter-hover: invert(36%) sepia(70%) saturate(503%) hue-rotate(167deg) brightness(98%) contrast(89%);
--footnote-highlight: #4079ae;
--overlay-bg: rgba(33, 40, 48, 0.4);
--blockquote-note-color: #4493f8;
--blockquote-tip-color: #08ae08;
--blockquote-important-color: #ab7df8;
--blockquote-warning-color: #d29922;
--blockquote-caution-color: #d91b29;
--sidebar-header-border-color: #3473ad;
}
}

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<!DOCTYPE HTML>
<html lang="en" class="light sidebar-visible" dir="ltr">
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<main>
<h1 id="expressions"><a class="header" href="#expressions">Expressions</a></h1>
<p>An expression in Solstice is a combination of operators and values (whether literal or stored in a variable).;</p>
<h2 id="expression-types"><a class="header" href="#expression-types">Expression Types</a></h2>
<p>“Precedence” is a number which dictates the order of execution. The higher the precedence, the sooner an expression will be evaluated.</p>
<h3 id="binary-mathematical"><a class="header" href="#binary-mathematical">Binary Mathematical</a></h3>
<ul>
<li><code>+</code>: Adds two numbers on either side, or concatenates two strings
<ul>
<li>Accepts:
<ul>
<li>Two integers either side</li>
<li>Two doubles either side</li>
<li>Two strings either side</li>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The sum of both values as an integer if both values are integers</li>
<li>The sum of both values as a double if one value is a double and the other is an int, or both values are doubles</li>
<li>The concatenated string when both values are strings</li>
</ul>
</li>
<li>Precedence: 5</li>
</ul>
</li>
<li><code>-</code>: Subtracts two numbers on either side
<ul>
<li>Accepts:
<ul>
<li>Two integers either side</li>
<li>Two doubles either side</li>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The difference of both values as an integer if both values are integers</li>
<li>The difference of both values as a double if one value is a double and the other is an int, or both values are doubles</li>
</ul>
</li>
<li>Precedence: 5</li>
</ul>
</li>
<li><code>*</code>: Multiplies two numbers on either side
<ul>
<li>Accepts:
<ul>
<li>Two integers either side</li>
<li>Two doubles either side</li>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The product of both values as an integer if both values are integers</li>
<li>The product of both values as a double if one value is a double and the other is an int, or both values are doubles</li>
</ul>
</li>
<li>Precedence: 6</li>
</ul>
</li>
<li><code>/</code>: Divides two numbers on either side
<ul>
<li>Accepts:
<ul>
<li>Two integers either side
<ul>
<li>Two doubles either side
<ul>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The quotient of both values as an integer if both values are integers</li>
<li>The quotient of both values as a double if one value is a double and the other is an int, or both values are doubles</li>
</ul>
</li>
<li>Precedence: 6</li>
</ul>
</li>
</ul>
<h3 id="binary-comparative"><a class="header" href="#binary-comparative">Binary Comparative</a></h3>
<ul>
<li><code>==</code>: Checks two values to determine if they are equal
<ul>
<li>Accepts:
<ul>
<li>Any two values either side which are of the same type</li>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if both provided values are exactly the same. </li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
<li><code>!=</code>: Checks two values to determine if they are not equal
<ul>
<li>Accepts:
<ul>
<li>Any two values either side which are of the same type</li>
<li>An integer and a double on either side (order not significant)</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if both provided values are not exactly the same. </li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
<li><code>&gt;</code>: Checks two numbers to determine which is greater
<ul>
<li>Accepts:
<ul>
<li>Any two numbers (int or double) either side</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if the number provided on the left is greater than the number provided on the right.</li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
<li><code>&lt;</code>: Checks two numbers to determine which is lesser
<ul>
<li>Accepts:
<ul>
<li>Any two numbers (int or double) either side</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if the number provided on the left is lesser than the number provided on the right.</li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
<li><code>&gt;=</code>: Checks two numbers to determine which is greater, or whether both are equal
<ul>
<li>Accepts:
<ul>
<li>Any two numbers (int or double) either side</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if the number provided on the left is greater than the number provided on the right, or if both numbers are equal.</li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
<li><code>&lt;=</code>: Checks two numbers to determine which is lesser, or whether both are equal
<ul>
<li>Accepts:
<ul>
<li>Any two numbers (int or double) either side</li>
</ul>
</li>
<li>Returns:
<ul>
<li><code>true</code> if the number provided on the left is lesser than the number provided on the right, or if both numbers are equal.</li>
<li><code>false</code> otherwise.</li>
</ul>
</li>
<li>Precedence: 2</li>
</ul>
</li>
</ul>
<h3 id="binary-misc"><a class="header" href="#binary-misc">Binary Misc</a></h3>
<ul>
<li><code>as</code>: Converts between types.
<ul>
<li>Accepts:
<ul>
<li>Any object on the left, and a type which has an applicable conversion defined by the object on the right</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The object turned into the type on the right, in the way defined by the as-method</li>
</ul>
</li>
</ul>
</li>
<li><code>.</code>: Accesses object fields
<ul>
<li>Accepts:
<ul>
<li>An object on the left, and an identifier on the right which corresponds to a field or method in the object</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The object field or method the identifier corresponds to</li>
</ul>
</li>
</ul>
</li>
</ul>
<h3 id="brackets"><a class="header" href="#brackets">Brackets</a></h3>
<ul>
<li><code>(...)</code>: Evaluates an expression inside the brackets before outside expressions.
<ul>
<li>Accepts:
<ul>
<li>Any expression inside the brackets (in place of <code>...</code>)</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The result of the expression in the brackets</li>
</ul>
</li>
<li>Precedence: 7</li>
</ul>
</li>
</ul>
<h3 id="function-call"><a class="header" href="#function-call">Function Call</a></h3>
<ul>
<li><code>(...)</code>: Calls the specified function.
<ul>
<li>Accepts:
<ul>
<li>An identifier for the function before the brackets, then comma-seperated expressions corresponding to the function type signature (see <a href="types.html#fun">Types -&gt; Combined Types -&gt; fun</a>) inside the brackets (in place of <code>...</code>)</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The functions return type as specified by the function type signature (see <a href="types.html#fun">Types -&gt; Combined Types -&gt; fun</a>)</li>
</ul>
</li>
</ul>
</li>
</ul>
<h3 id="unary-misc"><a class="header" href="#unary-misc">Unary Misc</a></h3>
<ul>
<li><code>new</code>: Creates a new object from a template.
<ul>
<li>Accepts:
<ul>
<li>A template after the <code>new</code> keyword.</li>
<li>A core type identifier</li>
</ul>
</li>
<li>Returns:
<ul>
<li>An object based on the provided template, if provided with a template.</li>
<li>The empty version of the core type, if provided with a core type, which is:
<ul>
<li><code>int</code>: <code>0</code></li>
<li><code>double</code>: <code>0.0</code></li>
<li><code>string</code>: <code>""</code></li>
<li><code>char</code>: <code>'\0'</code></li>
<li><code>bool</code>: <code>false</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><code>sizeof</code>: Gets the size of something.
<ul>
<li>Accepts:
<ul>
<li>A string</li>
<li>An object with an <code>int size</code> field</li>
</ul>
</li>
<li>Returns:
<ul>
<li>The string length if provided a string</li>
<li>The <code>int size</code> field of the object if provided an object</li>
</ul>
</li>
</ul>
</li>
</ul>
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<main>
<h1 id="function-definition"><a class="header" href="#function-definition">Function Definition</a></h1>
<h2 id="named-functions"><a class="header" href="#named-functions">Named Functions</a></h2>
<p>Define a named function with the following syntax:</p>
<pre><code class="language-solstice">def functionName(args) type {
...
}
</code></pre>
<p>where:</p>
<ul>
<li><code>functionName</code> is the name of the function.
<ul>
<li>If <code>functionName</code> is already defined as a function or other value, it will only be overwritten if the type does not change.</li>
</ul>
</li>
<li><code>args</code> is multiple comma-seperated pairs of:
<ul>
<li>a type identifier for the parameter, and</li>
<li>an identifier (representing the parameter name)</li>
</ul>
</li>
<li><code>type</code> is the type of value which the function will return</li>
<li><code>...</code> is the code inside the function (the function body).
<ul>
<li>The function body will have access to previously set variables through a closure. The closure is a copy of all variables in their current state at function definition time.</li>
<li>The function body will also have access to the parameters defined in <code>args</code>.</li>
</ul>
</li>
</ul>
<p>Example:</p>
<pre><code class="language-solstice">def add(int a, int b) int {
return a + b
}
</code></pre>
<h2 id="anonymouslambda-functions"><a class="header" href="#anonymouslambda-functions">Anonymous/Lambda functions</a></h2>
<p>Define a lambda function with the following syntax:</p>
<pre><code class="language-solstice">lambda(args) type {
...
}
</code></pre>
<p>where:</p>
<ul>
<li><code>args</code> is multiple comma-seperated pairs of:
<ul>
<li>a type identifier for the parameter, and</li>
<li>an identifier (representing the parameter name)</li>
</ul>
</li>
<li><code>type</code> is the type of value which the function will return</li>
<li><code>...</code> is the code inside the function (the function body).
<ul>
<li>The function body will have access to previously set variables through a closure. The closure is a copy of all variables in their current state at function definition time.</li>
<li>The function body will also have access to the parameters defined in <code>args</code>.</li>
</ul>
</li>
</ul>
<p>Example:</p>
<pre><code class="language-solstice">add = lambda(int a, int b) int {
return a + b
}
</code></pre>
<p>Lambda functions are most useful when passed as arguments to other functions.</p>
</main>
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<html lang="en"> <html lang="en" class="light sidebar-visible" dir="ltr">
<head> <head>
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<h3>Navigation</h3> <div>
<ul> <p>Press <kbd></kbd> or <kbd></kbd> to navigate between chapters</p>
<li><strong><a href="#core_concepts">Core Concepts</a></strong></li> <p>Press <kbd>S</kbd> or <kbd>/</kbd> to search in the book</p>
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<li><strong><a href="#nativecompiler">Native Compiler</a></strong></li>
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<div class="content">
<h1>Solstice Docs</h1>
<p>Welcome to the Solstice docs! Feel free to read in whichever order you like, or come back when you feel like it. You can read these head to tail if you want to understand the whole of the language as well.</p>
<p>See a mistake? Report it at <a href="https://chookspace.com/max/sols.dev">this site's repository</a>.
<p>Happy coding!</p>
<div id="core_concepts">
<h2>Core Concepts</h2>
<p>Solstice is a high level programming language. It compiles to Ground's bytecode.</p>
<h3>The <code>solstice</code> command</h3>
<p>Solstice's compiler is invoked via the <code>solstice</code> command. It provides some options:</p>
<p>Note: For now, as we transition to the C-based compiler, Solstice does not support extra flags, and can only run and print code (printing with the -p flag)</p>
<ul>
<li><code>-o</code> or <code>--output</code>: Tells Solstice where to output a compiled file.</li>
<li><code>-t</code> or <code>--type</code>: Tells Solstice the type of file to output.
This can either be "ground" or "program". "ground" outputs a .grnd program, and "program" outputs a compiled native executable. See <a href="#nativecompiler">here</a> for details.</li>
</ul>
<p>Example usage:</p>
<pre class="code"><code>solstice fib.sols -o fib.grnd</code></pre>
<pre class="code"><code>solstice fib.sols</code></pre>
<h3>Writing Solstice code</h3>
<p>Solstice code consists of four main things: values, identifiers, operators, and code blocks.</p>
<ul>
<li>Values: these are your literal values in your program, like <code>"Hello!"</code>, <code>32</code>, or <code>true</code>. More on values and the Solstice type system later.</li>
<li>Identifiers: these are names of variables. They normally hold something in them.</li>
<li>Operators: these make up the actual logic of your program. Operators are thing like <code>+</code>, <code>=</code>, or <code>if</code>. (if and while are operators in Solstice.)</li>
<li>Code blocks: this is the collection of values, identifiers, and operators, usually in between <code>{</code> and <code>}</code>.</li>
</ul>
<h3>Comments</h3>
<p>You can type <code>//</code> to insert a comment into your program. The rest of your line will be commented out.
<h3>puts</h3>
<p>The <code>puts</code> command in Solstice is used to print out a value. It is not a function, but a built in operator, similar to <code>+</code> or <code>=</code>.</p>
<p>Use it like this:</p>
<pre class="code"><code>puts "Hello, World!"
puts 3.14
puts true
puts "You can print out anything with puts!"</code></pre>
<h3>Variables</h3>
<p>Solstice variables are quite simple. Assign values with <code>=</code>, and read them with the variable name.</p>
<pre class="code"><code>x = 5
puts x</code></pre>
<p>Types are automatically inferred by Solstice.</p>
<h3>Maths</h3>
<p>You can use <code>+</code> (add), <code>-</code> (subtract), <code>*</code> (multiply), and <code>/</code> (divide) to do math.</p>
<p>Math operations take two values on either side, and perform the operation. Order of operations is supported.</p>
<pre class="code"><code>x = 5 + 3
y = 10
puts x + y</code></pre>
<h3>Control Flow and Equalities</h3>
<p>Solstice supports <code>if</code> and <code>while</code> statements, as well as the <code>==</code>, <code>!=</code>, <code>></code>, <code>>=</code>, <code><</code>, and <code><=</code> operations.</p>
<p>Conditionals work just like maths: two values on either side, check whether the condition is correct or not based on those values, and output a boolean.</p>
<pre class="code"><code>puts 5 == 5
puts 5 != 5</code></pre>
<p><code>if</code> and <code>while</code> statements take a conditional, and then a code block afterwards. See these examples:</p>
<pre class="code"><code>x = 5
if x &gt; 10 {
puts "x is bigger than 10"
}
if x &lt; 10 {
puts "x is smaller than 10"
}
if x == 10 {
puts "x is 10"
}
number = 0
while number &lt; 10 {
number = number + 1
puts number
}</<code></pre>
</code>
<h3>Functions</h3>
<p><strong>Note:</strong> Functions in Solstice are currently in beta. Type checking for functions is currently experimental, and arguments may not work as intended. Be warned!</p>
<p>In Solstice, function definitions have a syntax like this: <pre class="code"><code>def functionName(type arg1, type arg2, type arg3) returnType {
// code goes here
}</code></pre></p>
<p>Your types can be <code>int</code>, <code>double</code>, <code>string</code>, <code>bool</code>, or <code>char</code> (see the "Type System" section for more details)</p>
<p>Return a value (which must be the same type as your <code>returnType</code>) with <code>return value</code>.</p>
<p>Here's an example function:</p>
<pre class="code"><code>def add(int a, int b) int {
return a + b
}</code></pre>
<h3>Calling Functions</h3>
<p>Function calling is done like in most other programming languages, with the syntax <code>function(arg1, arg2, arg3)</code>.</p>
<h3>Importing Other Code</h3>
<p>Solstice allows you to write libraries in Solstice, or write wrappers for Ground libraries. Use the <code>use</code> keyword, followed by an identifier to import the library.</p>
<pre class="code"><code>use io
println("Hello!")</code></pre>
<h3>That's it!</h3>
<p>You now know everything you need to know about Solstice to start programming! You can continue reading for more information.</p>
</div>
<div id="type_system">
<h2>Type System</h2>
<p>Solstice's type system is currently a work in progress, but what is so far implemented will be detailed.</p>
<div id="value_types">
<h3>Value Types</h3>
<ul>
<li><code>int</code>: Signed 64 bit integer</li>
<li><code>double</code>: Double prescision floating point number</li>
<li><code>string</code>: Character array</li>
<li><code>char</code>: A single character</li>
<li><code>bool</code>: Either true or false</li>
</ul>
</div>
<div id="object_types">
<h3>Types of Functions, Templates, and Objects</h3>
<p>The type signature of a function looks like this:</p>
<pre class="code"><code>fun(argType, argType, argType) returnType</code></pre>
<p>The type signature of a template looks like this:</p>
<pre class="code"><code>template(fieldType fieldName, fieldType fieldName, fieldType fieldName)</code></pre>
<p>The type signature of an object looks like this:</p>
<pre class="code"><code>object(fieldType fieldName, fieldType fieldName, fieldType fieldName)</code></pre>
</div>
<div id="type_checker">
<h3>Type Checker</h3>
<p>Solstice statically checks types at compile time to ensure your data is used as intended. These are the details of the type checker.</p>
<ul>
<li>Types of variables when setting with <code>=</code> are autoinferred and cannot be provided by the user. All variables must have a value.</li>
<li>When setting a variable with <code>=</code>, it's type must not mutate in any way.</li>
<li>Functions must have types annotated. There is no "any" type.</li>
<li>When using operators, integers are able to promote to doubles where required. No other types can automatically convert.</li>
<li>All equality operators require the same type on both sides of the equality.</li>
</ul>
</div>
</div>
<div id="structs">
<h2>Structs, templates and objects</h2>
<p><strong>Note:</strong> Structs, templates, and objects in Solstice are currently in beta. A lot of work in the type checker has been done, but accessing fields is still an issue.</p>
<p>In Solstice, you can create a struct to group various bits of data together. You can specify default values for each field with <code>:</code> or <code>=</code>.</p>
<pre class="code"><code>struct Person {
name: "John"
age: 32
}</code></pre>
<p>This struct generates a template named "Person" which can be used later to generate new objects.</p>
<p>You can use the <code>new</code> operator to create new instances of templates.</p>
<pre class="code"><code>max = new Person</code></pre>
</div>
<div id="inline_ground">
<h2>Inline Ground</h2>
<p>Since Solstice is built atop Ground, you can write Ground code inside Solstice code, usually to wrap a Ground function for the Solstice standard library.</p>
<p>Inline Ground is not vetted by the type checker. <strong>Be careful when modifying existing variables with inline ground!</strong> The type checker is not aware of any values created inside inline Ground.</p>
<p>If you would like the Solstice type checker to be aware of values created by Ground, initialise a variable with a blank of whatever type is made by Ground.</p>
<p>Variable names are the same inside inline Ground as they are in Solstice. Read Ground's syntax guide for an understanding on how it should work <a href="https://chookspace.com/ground/cground/src/branch/master/docs/syntax.md">here</a>.</p>
<pre class="code"><code>ground {
set &x 5
println $x
}</code></pre>
</div>
<div id="builtins">
<h2>Built In Functions</h2>
<h3><code>io</code> library</h3>
<div id="input_string_msg__string">
<h4>input(string msg) string</h4>
<p>Gets user input from the console until the next line. The msg is used as a prompt for the user. Returns inputted characters from the console.</p>
<pre class="code"><code>use io
guess = input("What is the password? ")
if guess == "password123" {
puts "Good job!"
}</code></pre>
</div>
<div id="print_string_msg__string">
<h4>print(string msg) string</h4>
<p>Prints a string to the console.</p>
<pre class="code"><code>use io
print("Hello, World!")</code></pre>
</div>
<div id="println_string_msg__string">
<h4>println(string msg) string</h4>
<p>Prints a string to the console. Appends a new line afterwards.</p>
<pre class="code"><code>use io
println("Hello, World!")</code></pre>
</div>
</div>
<div id="nativecompiler">
<h2>Native Compiler</h2>
<p>Ground has recently added a Ground->Native compiler which allows much faster execution of Ground programs.</p>
<p>However, this is quite early in development, and only supports some features:</p>
<ul>
<li>int data type - No other data type is currently supported.</li>
<li>No functions at present</li>
</ul>
<p>To try the native compiler, use this command:</p>
<pre class="code"><code>solstice program.sols --output program --type native</code></pre>
<h3>Debugging</h3>
<p>Solstice will create a temporary folder in your current directory which you can remove called ".(outputname)_solsbuild". In this folder is the assembly and object file generated by the compiler. If you think that there's a bug with Ground or Solstice, you can use these to find the issue.</p>
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<h1 id="introduction"><a class="header" href="#introduction">Introduction</a></h1>
<p>Welcome to the Solstice docs! For now, the documentation is in the format of a specification, which instructs you on how Solstice should behave. In future, a tutorial (similar to the Rust book) will be written which shows you each part of the language, instead of declaring it like the spec.</p>
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<main>
<h1 id="operators"><a class="header" href="#operators">Operators</a></h1>
<p>Operators are bits of code intended to control how the program runs.</p>
<h2 id="puts"><a class="header" href="#puts"><code>puts</code></a></h2>
<p>Stands for “put something”. Prints debug info to the console, followed by a new line.</p>
<h3 id="formatting"><a class="header" href="#formatting">Formatting</a></h3>
<ul>
<li>
<p>int: The literal number, as formatted by C <code>printf("%" PRId64)</code>.</p>
</li>
<li>
<p>double: The literal number, as formatted by C <code>printf("%f")</code>.</p>
</li>
<li>
<p>string: All characters in the string, as formatted by C <code>printf("%s")</code>.</p>
</li>
<li>
<p>char: The ASCII character corresponding to the number held, as formatted by C <code>printf("%c")</code>.</p>
</li>
<li>
<p>bool: If <code>true</code> or <code>1</code>, print <code>true</code>. Otherwise, print <code>false</code>.</p>
</li>
<li>
<p>fun: Print <code>&lt;function&gt;</code>.</p>
</li>
<li>
<p>template: Print <code>&lt;struct fields: { ... }&gt;</code>, where:</p>
<ul>
<li><code>...</code> is a comma-seperated sequence of <code>key: value</code>, where:
<ul>
<li><code>key</code> is the identifier of the field.</li>
<li><code>value</code> is the properly formatted value in the field.</li>
</ul>
</li>
</ul>
</li>
<li>
<p>object: Print <code>&lt;object fields: { ... }&gt;</code>, where:</p>
<ul>
<li><code>...</code> is a comma-seperated sequence of <code>key: value</code>, where:
<ul>
<li><code>key</code> is the identifier of the field.</li>
<li><code>value</code> is the properly formatted value in the field.</li>
</ul>
</li>
</ul>
</li>
</ul>
<h2 id="if"><a class="header" href="#if"><code>if</code></a></h2>
<p>Runs a block of code only if the provided condition is true.</p>
<p>Syntax:</p>
<pre><code class="language-solstice">if condition {
...
}
</code></pre>
<p>where:</p>
<ul>
<li><code>condition</code> is an expression which evaluates to a boolean.
<ul>
<li>If this expression evaluates to <code>true</code>, the code block will be run.</li>
<li>Brackets surrounding the condition are optional.</li>
</ul>
</li>
<li><code>...</code> is the code to run if the condition is true.</li>
</ul>
<p>Example:</p>
<pre><code class="language-solstice">if 2 + 2 == 4 {
puts "phew!"
}
</code></pre>
<h2 id="while"><a class="header" href="#while"><code>while</code></a></h2>
<p>Runs a block of code until the provided condition is false.</p>
<p>Syntax:</p>
<pre><code class="language-solstice">while condition {
...
}
</code></pre>
<p>where:</p>
<ul>
<li><code>condition</code> is an expression which evaluates to a boolean.
<ul>
<li>If this expression evaluates to <code>false</code>, the code block will not be run anymore.</li>
<li>Brackets surrounding the condition are optional.</li>
</ul>
</li>
<li><code>...</code> is the code to run while the condition is true.</li>
</ul>
<p>Example:</p>
<pre><code class="language-solstice">while true {
puts "To infinity and beyond!"
}
</code></pre>
<h2 id="return"><a class="header" href="#return"><code>return</code></a></h2>
<p>Returns a value from a function.</p>
<p>Syntax:</p>
<pre><code class="language-solstice">return value
</code></pre>
<p>where <code>value</code> is a value with the same type as the functions return type.</p>
<h2 id="ground"><a class="header" href="#ground"><code>ground</code></a></h2>
<p><strong>Inline Ground is potentially dangerous. Only use if you know what youre doing!</strong></p>
<p>Inserts inline Ground code into the generated program.</p>
<p>Syntax:</p>
<pre><code class="language-solstice">ground {
...
}
</code></pre>
<p>where <code>...</code> is the Ground code to insert.</p>
<p>See <a href="https://chookspace.com/ground/ground">here</a> for details about Ground.</p>
<p>Note: <strong>Solstice cannot keep track of state inside <code>ground</code> blocks!</strong> Ground will allow you to do things without the overhead of the Solstice type checker.</p>
<p>To extract a value from a Ground block, do something like this:</p>
<pre><code class="language-solstice">x = 0
ground {
set &amp;x 10
}
puts x
</code></pre>
<p>so the type checker can know what <code>x</code> is.</p>
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<h1 id="reserved-words"><a class="header" href="#reserved-words">Reserved Words</a></h1>
<p>This is a list of all reserved words in Solstice, seperated by new lines. These words may not be used as identifiers.</p>
<p>After <code>//</code>, notes may be provided which detail exceptions to the reserved word, however, the word should still be treated as reserved regardless.</p>
<pre><code class="language-solstice">puts
if
while
def
lambda
return
use
struct
enum
constructor
destructor
duplicator
private
protected
ground // Only when targeting GroundVM
new
as
sizeof
pragma
</code></pre>
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<h1 id="scoping-and-lifetimes"><a class="header" href="#scoping-and-lifetimes">Scoping and Lifetimes</a></h1>
<h2 id="subscoping"><a class="header" href="#subscoping">Subscoping</a></h2>
<p>A “subscope” is a scope contained inside a function, created inside curly braces (<code>{}</code>).</p>
<p>Subscopes can view and modify variables avaliable in their parent scope.</p>
<p>Subscopes may also create their own variables, however these will be destroyed when the subscope ends.</p>
<h2 id="function-scoping"><a class="header" href="#function-scoping">Function Scoping</a></h2>
<p>A function scope is a scope created inside a function.</p>
<p>Function scopes are created from a functions attached closure, which is a snapshot of all variables at the time of function definition.</p>
<p>The functions attached closure cannot be modified.</p>
<p>Function scopes also contain all arguments provided to a function.</p>
<p>When the function finishes running (with a <code>return</code>), all variables are destroyed.</p>
<h2 id="destructors"><a class="header" href="#destructors">Destructors</a></h2>
<p>Objects (see <a href="struct_definition.html">here</a>) can contain a destructor which specifies custom behaviour for destroying itself. This is useful for:</p>
<ul>
<li>Freeing heap-allocated memory</li>
<li>Closing a connection</li>
<li>Closing a file</li>
</ul>
<p>The destructor will always be in the field <code>destructor</code> with type signature <code>fun() int</code>. It should be automatically called when the variable goes out of scope.</p>
<h2 id="duplicators"><a class="header" href="#duplicators">Duplicators</a></h2>
<p>Objects (see <a href="struct_definition.html">here</a>) can contain a duplicator which specifies custom behaviour for copying itself. This is useful for:</p>
<ul>
<li>Duplicating heap-allocated memory</li>
</ul>
<p>The duplicator will always be in the field <code>duplicator</code> with type signature <code>fun((self) old) (self)</code>. It should be automatically called when the variable is:</p>
<ul>
<li>Copied into a new variable</li>
<li>Put inside a closure</li>
<li>Passed to a function</li>
</ul>
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'use strict';
/* global Mark, elasticlunr, path_to_root */
window.search = window.search || {};
(function search() {
// Search functionality
//
// You can use !hasFocus() to prevent keyhandling in your key
// event handlers while the user is typing their search.
if (!Mark || !elasticlunr) {
return;
}
// eslint-disable-next-line max-len
// IE 11 Compatibility from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
};
}
const search_wrap = document.getElementById('mdbook-search-wrapper'),
searchbar_outer = document.getElementById('mdbook-searchbar-outer'),
searchbar = document.getElementById('mdbook-searchbar'),
searchresults = document.getElementById('mdbook-searchresults'),
searchresults_outer = document.getElementById('mdbook-searchresults-outer'),
searchresults_header = document.getElementById('mdbook-searchresults-header'),
searchicon = document.getElementById('mdbook-search-toggle'),
content = document.getElementById('mdbook-content'),
// SVG text elements don't render if inside a <mark> tag.
mark_exclude = ['text'],
marker = new Mark(content),
URL_SEARCH_PARAM = 'search',
URL_MARK_PARAM = 'highlight';
let current_searchterm = '',
doc_urls = [],
search_options = {
bool: 'AND',
expand: true,
fields: {
title: {boost: 1},
body: {boost: 1},
breadcrumbs: {boost: 0},
},
},
searchindex = null,
results_options = {
teaser_word_count: 30,
limit_results: 30,
},
teaser_count = 0;
function hasFocus() {
return searchbar === document.activeElement;
}
function removeChildren(elem) {
while (elem.firstChild) {
elem.removeChild(elem.firstChild);
}
}
// Helper to parse a url into its building blocks.
function parseURL(url) {
const a = document.createElement('a');
a.href = url;
return {
source: url,
protocol: a.protocol.replace(':', ''),
host: a.hostname,
port: a.port,
params: (function() {
const ret = {};
const seg = a.search.replace(/^\?/, '').split('&');
for (const part of seg) {
if (!part) {
continue;
}
const s = part.split('=');
ret[s[0]] = s[1];
}
return ret;
})(),
file: (a.pathname.match(/\/([^/?#]+)$/i) || ['', ''])[1],
hash: a.hash.replace('#', ''),
path: a.pathname.replace(/^([^/])/, '/$1'),
};
}
// Helper to recreate a url string from its building blocks.
function renderURL(urlobject) {
let url = urlobject.protocol + '://' + urlobject.host;
if (urlobject.port !== '') {
url += ':' + urlobject.port;
}
url += urlobject.path;
let joiner = '?';
for (const prop in urlobject.params) {
if (Object.prototype.hasOwnProperty.call(urlobject.params, prop)) {
url += joiner + prop + '=' + urlobject.params[prop];
joiner = '&';
}
}
if (urlobject.hash !== '') {
url += '#' + urlobject.hash;
}
return url;
}
// Helper to escape html special chars for displaying the teasers
const escapeHTML = (function() {
const MAP = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&#34;',
'\'': '&#39;',
};
const repl = function(c) {
return MAP[c];
};
return function(s) {
return s.replace(/[&<>'"]/g, repl);
};
})();
function formatSearchMetric(count, searchterm) {
if (count === 1) {
return count + ' search result for \'' + searchterm + '\':';
} else if (count === 0) {
return 'No search results for \'' + searchterm + '\'.';
} else {
return count + ' search results for \'' + searchterm + '\':';
}
}
function formatSearchResult(result, searchterms) {
const teaser = makeTeaser(escapeHTML(result.doc.body), searchterms);
teaser_count++;
// The ?URL_MARK_PARAM= parameter belongs inbetween the page and the #heading-anchor
const url = doc_urls[result.ref].split('#');
if (url.length === 1) { // no anchor found
url.push('');
}
// encodeURIComponent escapes all chars that could allow an XSS except
// for '. Due to that we also manually replace ' with its url-encoded
// representation (%27).
const encoded_search = encodeURIComponent(searchterms.join(' ')).replace(/'/g, '%27');
return '<a href="' + path_to_root + url[0] + '?' + URL_MARK_PARAM + '=' + encoded_search
+ '#' + url[1] + '" aria-details="mdbook-teaser_' + teaser_count + '">'
+ result.doc.breadcrumbs + '</a>'
+ '<span class="teaser" id="mdbook-teaser_' + teaser_count
+ '" aria-label="Search Result Teaser">' + teaser + '</span>';
}
function makeTeaser(body, searchterms) {
// The strategy is as follows:
// First, assign a value to each word in the document:
// Words that correspond to search terms (stemmer aware): 40
// Normal words: 2
// First word in a sentence: 8
// Then use a sliding window with a constant number of words and count the
// sum of the values of the words within the window. Then use the window that got the
// maximum sum. If there are multiple maximas, then get the last one.
// Enclose the terms in <em>.
const stemmed_searchterms = searchterms.map(function(w) {
return elasticlunr.stemmer(w.toLowerCase());
});
const searchterm_weight = 40;
const weighted = []; // contains elements of ["word", weight, index_in_document]
// split in sentences, then words
const sentences = body.toLowerCase().split('. ');
let index = 0;
let value = 0;
let searchterm_found = false;
for (const sentenceindex in sentences) {
const words = sentences[sentenceindex].split(' ');
value = 8;
for (const wordindex in words) {
const word = words[wordindex];
if (word.length > 0) {
for (const searchtermindex in stemmed_searchterms) {
if (elasticlunr.stemmer(word).startsWith(
stemmed_searchterms[searchtermindex])
) {
value = searchterm_weight;
searchterm_found = true;
}
}
weighted.push([word, value, index]);
value = 2;
}
index += word.length;
index += 1; // ' ' or '.' if last word in sentence
}
index += 1; // because we split at a two-char boundary '. '
}
if (weighted.length === 0) {
return body;
}
const window_weight = [];
const window_size = Math.min(weighted.length, results_options.teaser_word_count);
let cur_sum = 0;
for (let wordindex = 0; wordindex < window_size; wordindex++) {
cur_sum += weighted[wordindex][1];
}
window_weight.push(cur_sum);
for (let wordindex = 0; wordindex < weighted.length - window_size; wordindex++) {
cur_sum -= weighted[wordindex][1];
cur_sum += weighted[wordindex + window_size][1];
window_weight.push(cur_sum);
}
let max_sum_window_index = 0;
if (searchterm_found) {
let max_sum = 0;
// backwards
for (let i = window_weight.length - 1; i >= 0; i--) {
if (window_weight[i] > max_sum) {
max_sum = window_weight[i];
max_sum_window_index = i;
}
}
} else {
max_sum_window_index = 0;
}
// add <em/> around searchterms
const teaser_split = [];
index = weighted[max_sum_window_index][2];
for (let i = max_sum_window_index; i < max_sum_window_index + window_size; i++) {
const word = weighted[i];
if (index < word[2]) {
// missing text from index to start of `word`
teaser_split.push(body.substring(index, word[2]));
index = word[2];
}
if (word[1] === searchterm_weight) {
teaser_split.push('<em>');
}
index = word[2] + word[0].length;
teaser_split.push(body.substring(word[2], index));
if (word[1] === searchterm_weight) {
teaser_split.push('</em>');
}
}
return teaser_split.join('');
}
function init(config) {
results_options = config.results_options;
search_options = config.search_options;
doc_urls = config.doc_urls;
searchindex = elasticlunr.Index.load(config.index);
searchbar_outer.classList.remove('searching');
searchbar.focus();
const searchterm = searchbar.value.trim();
if (searchterm !== '') {
searchbar.classList.add('active');
doSearch(searchterm);
}
}
function initSearchInteractions(config) {
// Set up events
searchicon.addEventListener('click', () => {
searchIconClickHandler();
}, false);
searchbar.addEventListener('keyup', () => {
searchbarKeyUpHandler();
}, false);
document.addEventListener('keydown', e => {
globalKeyHandler(e);
}, false);
// If the user uses the browser buttons, do the same as if a reload happened
window.onpopstate = () => {
doSearchOrMarkFromUrl();
};
// Suppress "submit" events so the page doesn't reload when the user presses Enter
document.addEventListener('submit', e => {
e.preventDefault();
}, false);
// If reloaded, do the search or mark again, depending on the current url parameters
doSearchOrMarkFromUrl();
// Exported functions
config.hasFocus = hasFocus;
}
initSearchInteractions(window.search);
function unfocusSearchbar() {
// hacky, but just focusing a div only works once
const tmp = document.createElement('input');
tmp.setAttribute('style', 'position: absolute; opacity: 0;');
searchicon.appendChild(tmp);
tmp.focus();
tmp.remove();
}
// On reload or browser history backwards/forwards events, parse the url and do search or mark
function doSearchOrMarkFromUrl() {
// Check current URL for search request
const url = parseURL(window.location.href);
if (Object.prototype.hasOwnProperty.call(url.params, URL_SEARCH_PARAM)
&& url.params[URL_SEARCH_PARAM] !== '') {
showSearch(true);
searchbar.value = decodeURIComponent(
(url.params[URL_SEARCH_PARAM] + '').replace(/\+/g, '%20'));
searchbarKeyUpHandler(); // -> doSearch()
} else {
showSearch(false);
}
if (Object.prototype.hasOwnProperty.call(url.params, URL_MARK_PARAM)) {
const words = decodeURIComponent(url.params[URL_MARK_PARAM]).split(' ');
marker.mark(words, {
exclude: mark_exclude,
});
const markers = document.querySelectorAll('mark');
const hide = () => {
for (let i = 0; i < markers.length; i++) {
markers[i].classList.add('fade-out');
window.setTimeout(() => {
marker.unmark();
}, 300);
}
};
for (let i = 0; i < markers.length; i++) {
markers[i].addEventListener('click', hide);
}
}
}
// Eventhandler for keyevents on `document`
function globalKeyHandler(e) {
if (e.altKey ||
e.ctrlKey ||
e.metaKey ||
e.shiftKey ||
e.target.type === 'textarea' ||
e.target.type === 'text' ||
!hasFocus() && /^(?:input|select|textarea)$/i.test(e.target.nodeName)
) {
return;
}
if (e.key === 'Escape') {
e.preventDefault();
searchbar.classList.remove('active');
setSearchUrlParameters('',
searchbar.value.trim() !== '' ? 'push' : 'replace');
if (hasFocus()) {
unfocusSearchbar();
}
showSearch(false);
marker.unmark();
} else if (!hasFocus() && (e.key === 's' || e.key === '/')) {
e.preventDefault();
showSearch(true);
window.scrollTo(0, 0);
searchbar.select();
} else if (hasFocus() && (e.key === 'ArrowDown'
|| e.key === 'Enter')) {
e.preventDefault();
const first = searchresults.firstElementChild;
if (first !== null) {
unfocusSearchbar();
first.classList.add('focus');
if (e.key === 'Enter') {
window.location.assign(first.querySelector('a'));
}
}
} else if (!hasFocus() && (e.key === 'ArrowDown'
|| e.key === 'ArrowUp'
|| e.key === 'Enter')) {
// not `:focus` because browser does annoying scrolling
const focused = searchresults.querySelector('li.focus');
if (!focused) {
return;
}
e.preventDefault();
if (e.key === 'ArrowDown') {
const next = focused.nextElementSibling;
if (next) {
focused.classList.remove('focus');
next.classList.add('focus');
}
} else if (e.key === 'ArrowUp') {
focused.classList.remove('focus');
const prev = focused.previousElementSibling;
if (prev) {
prev.classList.add('focus');
} else {
searchbar.select();
}
} else { // Enter
window.location.assign(focused.querySelector('a'));
}
}
}
function loadSearchScript(url, id) {
if (document.getElementById(id)) {
return;
}
searchbar_outer.classList.add('searching');
const script = document.createElement('script');
script.src = url;
script.id = id;
script.onload = () => init(window.search);
script.onerror = error => {
console.error(`Failed to load \`${url}\`: ${error}`);
};
document.head.append(script);
}
function showSearch(yes) {
if (yes) {
loadSearchScript(
window.path_to_searchindex_js ||
path_to_root + 'searchindex-c698e2a6.js',
'mdbook-search-index');
search_wrap.classList.remove('hidden');
searchicon.setAttribute('aria-expanded', 'true');
} else {
search_wrap.classList.add('hidden');
searchicon.setAttribute('aria-expanded', 'false');
const results = searchresults.children;
for (let i = 0; i < results.length; i++) {
results[i].classList.remove('focus');
}
}
}
function showResults(yes) {
if (yes) {
searchresults_outer.classList.remove('hidden');
} else {
searchresults_outer.classList.add('hidden');
}
}
// Eventhandler for search icon
function searchIconClickHandler() {
if (search_wrap.classList.contains('hidden')) {
showSearch(true);
window.scrollTo(0, 0);
searchbar.select();
} else {
showSearch(false);
}
}
// Eventhandler for keyevents while the searchbar is focused
function searchbarKeyUpHandler() {
const searchterm = searchbar.value.trim();
if (searchterm !== '') {
searchbar.classList.add('active');
doSearch(searchterm);
} else {
searchbar.classList.remove('active');
showResults(false);
removeChildren(searchresults);
}
setSearchUrlParameters(searchterm, 'push_if_new_search_else_replace');
// Remove marks
marker.unmark();
}
// Update current url with ?URL_SEARCH_PARAM= parameter, remove ?URL_MARK_PARAM and
// `#heading-anchor`. `action` can be one of "push", "replace",
// "push_if_new_search_else_replace" and replaces or pushes a new browser history item.
// "push_if_new_search_else_replace" pushes if there is no `?URL_SEARCH_PARAM=abc` yet.
function setSearchUrlParameters(searchterm, action) {
const url = parseURL(window.location.href);
const first_search = !Object.prototype.hasOwnProperty.call(url.params, URL_SEARCH_PARAM);
if (searchterm !== '' || action === 'push_if_new_search_else_replace') {
url.params[URL_SEARCH_PARAM] = searchterm;
delete url.params[URL_MARK_PARAM];
url.hash = '';
} else {
delete url.params[URL_MARK_PARAM];
delete url.params[URL_SEARCH_PARAM];
}
// A new search will also add a new history item, so the user can go back
// to the page prior to searching. A updated search term will only replace
// the url.
if (action === 'push' || action === 'push_if_new_search_else_replace' && first_search ) {
history.pushState({}, document.title, renderURL(url));
} else if (action === 'replace' ||
action === 'push_if_new_search_else_replace' &&
!first_search
) {
history.replaceState({}, document.title, renderURL(url));
}
}
function doSearch(searchterm) {
// Don't search the same twice
if (current_searchterm === searchterm) {
return;
}
searchbar_outer.classList.add('searching');
if (searchindex === null) {
return;
}
current_searchterm = searchterm;
// Do the actual search
const results = searchindex.search(searchterm, search_options);
const resultcount = Math.min(results.length, results_options.limit_results);
// Display search metrics
searchresults_header.innerText = formatSearchMetric(resultcount, searchterm);
// Clear and insert results
const searchterms = searchterm.split(' ');
removeChildren(searchresults);
for (let i = 0; i < resultcount ; i++) {
const resultElem = document.createElement('li');
resultElem.innerHTML = formatSearchResult(results[i], searchterms);
searchresults.appendChild(resultElem);
}
// Display results
showResults(true);
searchbar_outer.classList.remove('searching');
}
// Exported functions
search.hasFocus = hasFocus;
})(window.search);

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<!DOCTYPE HTML>
<html lang="en" class="light sidebar-visible" dir="ltr">
<head>
<!-- Book generated using mdBook -->
<meta charset="UTF-8">
<title>Struct Definition - Solstice Docs</title>
<!-- Custom HTML head -->
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff">
<link rel="icon" href="favicon-97ae436f.svg">
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<h1 id="struct-definition"><a class="header" href="#struct-definition">Struct Definition</a></h1>
<p>Define a struct with the <code>struct</code> keyword.</p>
<p>Syntax:</p>
<pre><code class="language-solstice">struct StructName {
...
}
</code></pre>
<p>where:</p>
<ul>
<li><code>StructName</code> is the name of your struct</li>
<li><code>...</code> is the body of your struct</li>
</ul>
<h2 id="struct-body"><a class="header" href="#struct-body">Struct Body</a></h2>
<p>Inside the struct body, you can:</p>
<ul>
<li>Define fields</li>
<li>Define methods</li>
<li>Define special methods (<code>constructor</code>, <code>destructor</code>, <code>duplicator</code>, <code>as</code>)</li>
</ul>
<h2 id="defining-fields"><a class="header" href="#defining-fields">Defining fields</a></h2>
<p>A field in a struct is defined in the same way as a variable.</p>
<pre><code class="language-solstice">struct MyStruct {
x = 5
}
</code></pre>
<p>This creates a field named <code>x</code> with a default value of <code>5</code>.</p>
<h2 id="defining-methods"><a class="header" href="#defining-methods">Defining methods</a></h2>
<p>A method in a struct is defined in the same way as a named function.</p>
<pre><code class="language-solstice">struct MyStruct {
def myMethod() int {
return 0
}
}
</code></pre>
<p>Methods have access to the structs members through the <code>self</code> object, which is implicitly passed.</p>
<pre><code class="language-solstice">struct MyStruct {
x = 10
def myMethod() int {
return self.x * 2
}
}
</code></pre>
<h2 id="private-and-protected-fields"><a class="header" href="#private-and-protected-fields">Private and protected fields</a></h2>
<p>A private field is a field which only methods inside the object can read and write.</p>
<p>A protected field is a field which only methods inside the object can write to, however anywhere else in the program the field can be read.</p>
<p>All other fields are public, meaning anywhere in the program can read or write these fields.</p>
<p>Methods and special methods are by default protected, however can be made private.</p>
<pre><code class="language-solstice">struct MyStruct {
private x = 10
protected y = "Hi"
private doSomething() int {
return 14
}
}
</code></pre>
<h2 id="defining-special-methods"><a class="header" href="#defining-special-methods">Defining special methods</a></h2>
<p>In Solstice, objects have some special methods which provide ease of use while handling these objects.</p>
<h3 id="constructor"><a class="header" href="#constructor">Constructor</a></h3>
<p>A constructor is used to initialize an object with user-provided fields.</p>
<p>Define a constructor like this:</p>
<pre><code class="language-solstice">struct MyStruct {
constructor(args) {
...
}
}
</code></pre>
<p>where:</p>
<ul>
<li><code>args</code> is multiple comma-seperated pairs of:
<ul>
<li>a type identifier for the parameter, and</li>
<li>an identifier (representing the parameter name)</li>
</ul>
</li>
<li><code>...</code> is the constructor body
<ul>
<li>The constructor body has access to the <code>self</code> object, which is how it can modify the newly created object.</li>
<li>The <code>self</code> object is automatically returned at the end of the constructor, however can be returned manually if required.</li>
</ul>
</li>
</ul>
<p>Use a constructor like this:</p>
<pre><code class="language-solstice">MyStruct(args)
</code></pre>
<p>where:</p>
<ul>
<li>args is many comma-seperated expressions corresponding to the signature of the defined constructor</li>
</ul>
<h3 id="destructor"><a class="header" href="#destructor">Destructor</a></h3>
<p>A destructor is used to destroy an object once it goes out of scope.</p>
<p>Define a destructor like this:</p>
<pre><code class="language-solstice">struct MyStruct {
destructor {
...
}
}
</code></pre>
<p>where:</p>
<ul>
<li><code>...</code> is the destructor body
<ul>
<li>The destructor body has access to the <code>self</code> object, which is how it can access and modify the object which is being destroyed.</li>
<li>There is no need to return a value from the destructor.</li>
</ul>
</li>
</ul>
<p>Note how the destructor does not take any arguments.</p>
<h3 id="duplicator"><a class="header" href="#duplicator">Duplicator</a></h3>
<p>A duplicator is used to copy an object when it is assigned to a new name, or passed to a function.</p>
<p>Define a duplicator like this:</p>
<pre><code class="language-solstice">struct MyStruct {
duplicator {
...
}
}
</code></pre>
<p>where:</p>
<ul>
<li><code>...</code> is the duplicator body
<ul>
<li>The destructor body has access to the <code>self</code> and <code>old</code> objects.
<ul>
<li>The <code>self</code> object is the new duplication and will be automatically returned</li>
<li>The <code>old</code> object is the old object and will not be copied out</li>
</ul>
</li>
</ul>
</li>
</ul>
<p>Note how the duplicator does not take any arguments.</p>
<h3 id="as-methods"><a class="header" href="#as-methods">As methods</a></h3>
<p>As methods allow easy conversion between different types.</p>
<p>Define an as method like this:</p>
<pre><code class="language-solstice">struct MyStruct {
as type {
...
}
}
</code></pre>
<p>where:</p>
<ul>
<li><code>type</code> is the type which the object will be converted to</li>
<li><code>...</code> is the as method body
<ul>
<li>The <code>self</code> object is avaliable inside the as method</li>
<li>You will need to initialize and return a new value with the specified type</li>
</ul>
</li>
</ul>
<p>Use an as method like this:</p>
<pre><code class="language-solstice">myobj as type
</code></pre>
<p>where:</p>
<ul>
<li><code>myobj</code> is an object with an as method which provides a conversion to <code>type</code></li>
<li><code>type</code> is the target type</li>
</ul>
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// Populate the sidebar
//
// This is a script, and not included directly in the page, to control the total size of the book.
// The TOC contains an entry for each page, so if each page includes a copy of the TOC,
// the total size of the page becomes O(n**2).
class MDBookSidebarScrollbox extends HTMLElement {
constructor() {
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link.href = path_to_root + href;
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window.customElements.define('mdbook-sidebar-scrollbox', MDBookSidebarScrollbox);
// ---------------------------------------------------------------------------
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threshold = 0;
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const id = 'mdbook-threshold-debug-data';
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width: 100vw;
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background-color: red;
z-index: 9999;
pointer-events: none;
`;
document.body.appendChild(line);
}
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thresholdDebug = true;
updateThreshold();
drawDebugLine();
}
window.mdbookEnableThresholdDebug = mdbookEnableThresholdDebug;
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// be expanded.
function updateHeaderExpanded(currentA) {
// Add expanded to all header-item li ancestors.
let current = currentA.parentElement;
while (current) {
if (current.tagName === 'LI' && current.classList.contains('header-item')) {
current.classList.add('expanded');
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current = current.parentElement;
}
}
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// that line will be considered the current one.
function updateCurrentHeader() {
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return;
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disableScroll = true;
setTimeout(() => {
disableScroll = false;
}, 100);
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// position.
requestAnimationFrame(() => {
requestAnimationFrame(() => {
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threshold = targetElement.getBoundingClientRect().bottom;
updateCurrentHeader();
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});
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// destination, along with some filtering.
function filterHeader(source, dest) {
const clone = source.cloneNode(true);
clone.querySelectorAll('mark').forEach(mark => {
mark.replaceWith(...mark.childNodes);
});
dest.append(...clone.childNodes);
}
// Scans page for headers and adds them to the sidebar.
document.addEventListener('DOMContentLoaded', function() {
const activeSection = document.querySelector('#mdbook-sidebar .active');
if (activeSection === null) {
return;
}
const main = document.getElementsByTagName('main')[0];
headers = Array.from(main.querySelectorAll('h2, h3, h4, h5, h6'))
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return;
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const firstLevel = parseInt(headers[0].tagName.charAt(1));
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const ol = document.createElement('ol');
ol.classList.add('section');
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stack[stack.length - 1].ol.appendChild(ol);
}
stack.push({level: i + 1, ol: ol});
}
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for (let i = 0; i < headers.length; i++) {
const header = headers[i];
const level = parseInt(header.tagName.charAt(1));
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// Begin nesting to this level.
for (let nextLevel = currentLevel + 1; nextLevel <= level; nextLevel++) {
const ol = document.createElement('ol');
ol.classList.add('section');
const last = stack[stack.length - 1];
const lastChild = last.ol.lastChild;
// Handle the case where jumping more than one nesting
// level, which doesn't have a list item to place this new
// list inside of.
if (lastChild) {
lastChild.appendChild(ol);
} else {
last.ol.appendChild(ol);
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stack.push({level: nextLevel, ol: ol});
}
} else if (level < currentLevel) {
while (stack.length > 1 && stack[stack.length - 1].level > level) {
stack.pop();
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li.classList.add('header-item');
li.classList.add('expanded');
if (level < foldLevel) {
li.classList.add('expanded');
}
const span = document.createElement('span');
span.classList.add('chapter-link-wrapper');
const a = document.createElement('a');
span.appendChild(a);
a.href = '#' + header.id;
a.classList.add('header-in-summary');
filterHeader(header.children[0], a);
a.addEventListener('click', headerThresholdClick);
const nextHeader = headers[i + 1];
if (nextHeader !== undefined) {
const nextLevel = parseInt(nextHeader.tagName.charAt(1));
if (nextLevel > level && level >= foldLevel) {
const toggle = document.createElement('a');
toggle.classList.add('chapter-fold-toggle');
toggle.classList.add('header-toggle');
toggle.addEventListener('click', () => {
li.classList.toggle('expanded');
});
const toggleDiv = document.createElement('div');
toggleDiv.textContent = '❱';
toggle.appendChild(toggleDiv);
span.appendChild(toggle);
headerToggles.push(li);
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li.appendChild(span);
const currentParent = stack[stack.length - 1];
currentParent.ol.appendChild(li);
}
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onThisPage.classList.add('on-this-page');
onThisPage.append(stack[0].ol);
const activeItemSpan = activeSection.parentElement;
activeItemSpan.after(onThisPage);
});
document.addEventListener('DOMContentLoaded', reloadCurrentHeader);
document.addEventListener('scroll', reloadCurrentHeader, { passive: true });
})();

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<!DOCTYPE HTML>
<html lang="en" class="light" dir="ltr">
<head>
<!-- sidebar iframe generated using mdBook
This is a frame, and not included directly in the page, to control the total size of the
book. The TOC contains an entry for each page, so if each page includes a copy of the TOC,
the total size of the page becomes O(n**2).
The frame is only used as a fallback when JS is turned off. When it's on, the sidebar is
instead added to the main page by `toc.js` instead. The JavaScript mode is better
because, when running in a `file:///` URL, the iframed page would not be Same-Origin as
the rest of the page, so the sidebar and the main page theme would fall out of sync.
-->
<meta charset="UTF-8">
<meta name="robots" content="noindex">
<!-- Custom HTML head -->
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="theme-color" content="#ffffff">
<link rel="stylesheet" href="css/variables-16ac1224.css">
<link rel="stylesheet" href="css/general-e4fbb323.css">
<link rel="stylesheet" href="css/chrome-ae938929.css">
<link rel="stylesheet" href="css/print-9e4910d8.css" media="print">
<!-- Fonts -->
<link rel="stylesheet" href="fonts/fonts-6d524047.css">
<!-- Custom theme stylesheets -->
</head>
<body class="sidebar-iframe-inner">
<ol class="chapter"><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="introduction.html" target="_parent">Introduction</a></span></li><li class="chapter-item expanded "><li class="part-title">Specification</li></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="reserved_words.html" target="_parent"><strong aria-hidden="true">1.</strong> Reserved Words</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="comments.html" target="_parent"><strong aria-hidden="true">2.</strong> Comments</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="expressions.html" target="_parent"><strong aria-hidden="true">3.</strong> Expressions</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="types.html" target="_parent"><strong aria-hidden="true">4.</strong> Types</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="variables.html" target="_parent"><strong aria-hidden="true">5.</strong> Variables</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="scoping.html" target="_parent"><strong aria-hidden="true">6.</strong> Scoping</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="operators.html" target="_parent"><strong aria-hidden="true">7.</strong> Operators</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="function_definition.html" target="_parent"><strong aria-hidden="true">8.</strong> Function Definition</a></span></li><li class="chapter-item expanded "><span class="chapter-link-wrapper"><a href="struct_definition.html" target="_parent"><strong aria-hidden="true">9.</strong> Struct Definition</a></span></li></ol>
</body>
</html>

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/* Tomorrow Night Theme */
/* https://github.com/jmblog/color-themes-for-highlightjs */
/* Original theme - https://github.com/chriskempson/tomorrow-theme */
/* https://github.com/jmblog/color-themes-for-highlightjs */
/* Tomorrow Comment */
.hljs-comment {
color: #969896;
}
/* Tomorrow Red */
.hljs-variable,
.hljs-attribute,
.hljs-attr,
.hljs-tag,
.hljs-regexp,
.ruby .hljs-constant,
.xml .hljs-tag .hljs-title,
.xml .hljs-pi,
.xml .hljs-doctype,
.html .hljs-doctype,
.css .hljs-id,
.css .hljs-class,
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<main>
<h1 id="types"><a class="header" href="#types">Types</a></h1>
<p>Solstice is statically typed, meaning all values must have a known type before any code can be executed.</p>
<h2 id="core-types"><a class="header" href="#core-types">Core Types</a></h2>
<p>These core types are automatically avaliable in Solstice. The words to identify them are reserved and cannot be reassigned.</p>
<h3 id="int"><a class="header" href="#int"><code>int</code></a></h3>
<p>8-byte signed integer, equivalent to C <code>int64_t</code> or Ground <code>-int</code>.</p>
<p>Examples: <code>32</code>, <code>121</code>, <code>-5</code></p>
<h3 id="double"><a class="header" href="#double"><code>double</code></a></h3>
<p>8-byte double prescision floating point number, equivalent to C <code>double</code> or Ground <code>-double</code>.</p>
<p>Examples: <code>3.14</code>, <code>-2.7</code></p>
<h3 id="string"><a class="header" href="#string"><code>string</code></a></h3>
<p>C-style null-terminated array of characters. Equivalent to C <code>char*</code> or Ground <code>-string</code>.</p>
<h3 id="char"><a class="header" href="#char"><code>char</code></a></h3>
<p>1-byte signed integer, usually used to store a character, however can also be used to store bytes. Equivalent to C <code>char</code> or Ground <code>-char</code>.</p>
<h3 id="bool"><a class="header" href="#bool"><code>bool</code></a></h3>
<p>1-byte unsigned integer, either 1 or 0. Represented by the reserved words <code>true</code> and <code>false</code>. Equivalent to C <code>char</code> (no stdbool.h) or <code>bool</code> (with stdbool.h) or Ground <code>-bool</code>.</p>
<h2 id="combined-types"><a class="header" href="#combined-types">Combined Types</a></h2>
<p>These types utilise core types to create new combinations. They take type arguments.</p>
<h3 id="fun"><a class="header" href="#fun"><code>fun</code></a></h3>
<p>Represents a function. Equivalent to Ground <code>-function</code>, or a C function pointer.</p>
<p><strong>Syntax</strong>:</p>
<pre><code class="language-solstice">fun(...) type
</code></pre>
<p>where:</p>
<ul>
<li><code>type</code> is a type identifier, which will be the return type</li>
<li><code>...</code> is multiple type identifiers, seperated by commas, which are the argument types</li>
</ul>
<p><strong>Example</strong>:</p>
<pre><code class="language-solstice">fun(int, string) bool
</code></pre>
<p>This represents a function which takes an <code>int</code> and <code>string</code> as arguments, and returns a <code>bool</code>.</p>
<h3 id="template"><a class="header" href="#template"><code>template</code></a></h3>
<p>Represents an uninitialized object. Equivalent to Ground <code>-struct</code>.</p>
<p><strong>Syntax</strong>:</p>
<pre><code class="language-solstice">template(...)
</code></pre>
<p>where <code>...</code> is multiple pairs of:</p>
<ul>
<li>a type identifier for the field, and</li>
<li>an identifier (representing the field name)</li>
</ul>
<p>seperated by commas.</p>
<p><strong>Example</strong>:</p>
<pre><code class="language-solstice">template(int x, string y)
</code></pre>
<p>This represents a template which, when initialized, has fields x (with integer) and y (with string).</p>
<h3 id="object"><a class="header" href="#object"><code>object</code></a></h3>
<p>Represents an initialized object.</p>
<p><strong>Syntax</strong>:</p>
<pre><code class="language-solstice">object(...)
</code></pre>
<p>where <code>...</code> is multiple pairs of:</p>
<ul>
<li>a type identifier for the field, and</li>
<li>an identifier (representing the field name)</li>
</ul>
<p>seperated by commas.</p>
<p><strong>Example</strong>:</p>
<pre><code class="language-solstice">object(int x, string y)
</code></pre>
<p>This represents a object which has fields x (with integer) and y (with string).</p>
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<h1 id="variables"><a class="header" href="#variables">Variables</a></h1>
<p>Variables are defined and modified with the syntax:</p>
<pre><code class="language-solstice">name = value
</code></pre>
<p>where:</p>
<ul>
<li><code>name</code> is an identifier, and</li>
<li><code>value</code> is a literal, expression, or identifier previously assigned to a variable.</li>
</ul>
<p>All variables must have a known type and value at definition time. When updating a variable, the type may not change.</p>
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{
"account": {
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"name": "Chookspace"
}
}

2
node_modules/.mf/cf.json generated vendored
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1460
package-lock.json generated Normal file

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5
package.json Normal file
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{
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