add is_inbuilt check to err_on_builtin_overwrite (#1872)

2023-07-15 10:44:00 -06:00
parent e95355e56e
commit 617c961f88
2 changed files with 7 additions and 5 deletions
--- a/src/machine/machine_indices.rs
+++ b/src/machine/machine_indices.rs
@@ -264,11 +264,9 @@ impl IndexStore {
        let (name, arity) = key;

        if !ClauseType::is_inbuilt(name, arity) {
-            return if let Some(module) = self.modules.get(&(atom!("builtins"))) {
-                module.code_dir.contains_key(&(name, arity))
-            } else {
-                false
-            };
+            self.modules.get(&(atom!("builtins")))
+                .map(|module| module.code_dir.contains_key(&(name, arity)))
+                .unwrap_or(false)
        } else {
            true
        }