conlang: Use interned strings (Sym) for all symbols

compiler/cl-parser/src/inliner.rs

@@ -64,7 +64,8 @@ impl Fold for ModuleInliner {
     /// Traverses down the module tree, entering ever nested directories
     fn fold_module(&mut self, m: Module) -> Module {
         let Module { name, kind } = m;
-        self.path.push(&name.0); // cd ./name
+        let sym = name.0.get().expect("Could not get name!");
+        self.path.push(sym); // cd ./name
 
         let kind = self.fold_module_kind(kind);