Change Cart AssignableKind to Index.

ablescript/src/ast.rs

@@ -47,7 +47,7 @@ pub struct Assignable {
 #[derive(Debug, PartialEq, Clone, Hash)]
 pub enum AssignableKind {
     Variable,
-    Cart { indices: Vec<Expr> },
+    Index { indices: Vec<Expr> },
 }
 
 #[derive(Debug, PartialEq, Clone, Hash)]

ablescript/src/interpret.rs

@@ -248,9 +248,9 @@ impl ExecEnv {
                 let value = self.eval_expr(value)?;
                 match assignable.kind {
                     AssignableKind::Variable => {
-                        &self.get_var_mut(&assignable.ident)?.value.replace(value);
+                        self.get_var_mut(&assignable.ident)?.value.replace(value);
                     }
-                    AssignableKind::Cart { ref indices } => {
+                    AssignableKind::Index { ref indices } => {
                         let mut cell = self.get_var_rc(&assignable.ident)?;
                         for index in indices {
                             let index = self.eval_expr(index)?;

ablescript/src/parser.rs

@@ -412,7 +412,7 @@ impl<'source> Parser<'source> {
         indices.reverse();
         Some(Assignable {
             ident: Ident::new(ident, buf.span),
-            kind: AssignableKind::Cart { indices },
+            kind: AssignableKind::Index { indices },
         })
     }