Checkpoint

src/syntax/location.rs

@@ -85,9 +85,9 @@ impl Location {
     /// the user with some guidance. That being said, you still might want to add
     /// even more information to ut, using [`Diagnostic::with_labels`],
     /// [`Diagnostic::with_notes`], or [`Diagnostic::with_code`].
-    pub fn labelled_error(&self, msg: &str) -> Diagnostic<usize> {
+    pub fn labelled_error<T: AsRef<str>>(&self, msg: T) -> Diagnostic<usize> {
         Diagnostic::error().with_labels(vec![
-            Label::primary(self.file_idx, self.location.clone()).with_message(msg)
+            Label::primary(self.file_idx, self.location.clone()).with_message(msg.as_ref())
         ])
     }
 

src/syntax/validate.rs

@@ -123,7 +123,7 @@ impl TopLevel {
                 for arg in arguments.iter() {
                     bound_variables.insert(arg.name.clone(), arg.location.clone());
                 }
-                let result = body.validate(&bound_variables);
+                let result = body.validate(bound_variables);
                 bound_variables.release_scope();
                 result
             }