diff --git a/.vim/indent/kyn.vim b/.vim/indent/kyn.vim
new file mode 100644
index 0000000..83df688
--- /dev/null
+++ b/.vim/indent/kyn.vim
@@ -0,0 +1,52 @@
+" Vim indent file
+" Language: Kyn
+" Maintainer: Gemini
+
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetKynIndent()
+setlocal indentkeys+=={,},0)
+
+let b:undo_indent = "setlocal indentexpr< indentkeys<"
+
+" Only define the function once
+if exists("*GetKynIndent")
+  finish
+endif
+
+function GetKynIndent()
+  " Get the line number of the current line
+  let lnum = v:lnum
+
+  " Get the current line
+  let cline = getline(lnum)
+
+  " If the current line has a '}', decrease indent
+  if cline =~ '^\s*}'
+    let lnum = prevnonblank(lnum - 1)
+    return indent(lnum)
+  endif
+
+  " Find the previous non-blank line
+  let lnum = prevnonblank(lnum - 1)
+
+  " At the start of the file, no indent
+  if lnum == 0
+    return 0
+  endif
+
+  " Get the indent of the previous line
+  let prev_indent = indent(lnum)
+  let prev_line = getline(lnum)
+
+  " If the previous line ends with '{', increase indent
+  if prev_line =~ '{\s*$'
+    return prev_indent + &shiftwidth
+  endif
+
+  " Otherwise, keep the same indent
+  return prev_indent
+endfunction
diff --git a/src/datatypes/lists/lists.cpp b/src/datatypes/lists/lists.cpp
index 8030ed5..d903606 100644
--- a/src/datatypes/lists/lists.cpp
+++ b/src/datatypes/lists/lists.cpp
@@ -39,7 +39,7 @@ Value handleListGet(const Value& subject, const std::vector<Value>& args) {
         return Value();
     }
     Value accessor = args[0];
-    if (accessor.valtype == ValueType::String && accessor.string_val == "size") {
+    if (accessor.valtype == ValueType::Identifier && accessor.string_val == "size") {
         return Value((long long)subject.list.size());
     }
     if (accessor.valtype != ValueType::Int) {
diff --git a/src/datatypes/strings/strings.cpp b/src/datatypes/strings/strings.cpp
index 6d1db8c..d28145d 100644
--- a/src/datatypes/strings/strings.cpp
+++ b/src/datatypes/strings/strings.cpp
@@ -39,7 +39,7 @@ Value handleStringGet(const Value& subject, const std::vector<Value>& args) {
     }
     Value accessor = args[0];
     if (accessor.valtype != ValueType::Int) {
-        if (accessor.valtype == ValueType::String && accessor.string_val == "size") {
+        if (accessor.valtype == ValueType::Identifier && accessor.string_val == "size") {
             return Value((long long)subject.string_val.length());
         }
         error("String accessor must be an integer or \"size\"");