Add highlighting to struct_definition.md

src/struct_definition.md

@@ -4,7 +4,7 @@ Define a struct with the `struct` keyword.
 
 Syntax:
 
-```
+```solstice
 struct StructName {
     ...
 }
@@ -27,7 +27,7 @@ Inside the struct body, you can:
 
 A field in a struct is defined in the same way as a variable.
 
-```
+```solstice
 struct MyStruct {
     x = 5
 }
@@ -39,7 +39,7 @@ This creates a field named `x` with a default value of `5`.
 
 A method in a struct is defined in the same way as a named function.
 
-```
+```solstice
 struct MyStruct {
     def myMethod() int {
         return 0
@@ -50,7 +50,7 @@ struct MyStruct {
 Methods have access to the struct's members through the `self` object, which is implicitly passed.
 
 
-```
+```solstice
 struct MyStruct {
 
     x = 10
@@ -71,7 +71,7 @@ All other fields are public, meaning anywhere in the program can read or write t
 
 Methods and special methods are by default protected, however can be made private.
 
-```
+```solstice
 struct MyStruct {
     private x = 10
     protected y = "Hi"
@@ -92,7 +92,7 @@ A constructor is used to initialize an object with user-provided fields.
 
 Define a constructor like this:
 
-```
+```solstice
 struct MyStruct {
     constructor(args) {
         ...
@@ -110,7 +110,7 @@ where:
 
 Use a constructor like this:
 
-```
+```solstice
 MyStruct(args)
 ```
 
@@ -123,7 +123,7 @@ A destructor is used to destroy an object once it goes out of scope.
 
 Define a destructor like this:
 
-```
+```solstice
 struct MyStruct {
     destructor {
         ...
@@ -144,7 +144,7 @@ A duplicator is used to copy an object when it is assigned to a new name, or pas
 
 Define a duplicator like this:
 
-```
+```solstice
 struct MyStruct {
     duplicator {
         ...
@@ -166,7 +166,7 @@ As methods allow easy conversion between different types.
 
 Define an as method like this:
 
-```
+```solstice
 struct MyStruct {
     as type {
         ...
@@ -182,7 +182,7 @@ where:
 
 Use an as method like this:
 
-```
+```solstice
 myobj as type
 ```