updated a bunch of stuff

interpreter/src/class.rs

@@ -10,7 +10,7 @@ use crate::{LoxFunction, LoxReference, Value};
 pub struct LoxClass {
     superclass: Option<Rc<LoxClass>>,
 
-    name: String,
+    name: Box<str>,
 
     methods: FxHashMap<String, Value>,
 }
@@ -18,7 +18,7 @@ pub struct LoxClass {
 /// Representation of a class in Lox. Always behind an Rc to ensure uniqueness. Should never be handled raw.
 impl LoxClass {
     pub fn new(
-        name: impl Into<String>,
+        name: impl Into<Box<str>>,
         methods: FxHashMap<String, Value>,
         superclass: Option<Rc<LoxClass>>,
     ) -> Rc<Self> {
@@ -33,10 +33,7 @@ impl LoxClass {
             let mut body = init.body().clone();
 
             if let Stmt::Block { ref mut statements } = body {
-                statements.push(Stmt::return_stmt(Expr::LocalVariable {
-                    name: "this".to_owned(),
-                    level: 1,
-                }));
+                statements.push(Stmt::return_stmt(Expr::local_variable("this", 1)));
             } else {
                 panic!("Body of init method of class {name} wasn't a block");
             }
@@ -130,7 +127,12 @@ impl LoxClass {
 
 impl Display for LoxClass {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "<class {} at {:#X}>", self.name, (self as *const LoxClass) as usize)
+        write!(
+            f,
+            "<class {} at {:#X}>",
+            self.name,
+            (self as *const LoxClass) as usize
+        )
     }
 }