Adds a param_idx helper

2020-05-14 13:47:36 +03:00
parent 2dfbec149f
commit 12bf008ab1
2 changed files with 7 additions and 2 deletions
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -992,8 +992,8 @@ impl TypeParam {

    pub fn default(self, db: &dyn HirDatabase) -> Option<Ty> {
        let params = db.generic_defaults(self.id.parent);
-        let local_idx: u32 = self.id.local_id.into_raw().into();
-        params.get(local_idx as usize).map(|d| d.clone())
+        let local_idx = hir_ty::param_idx(db, self.id)?;
+        params.get(local_idx).map(|d| d.clone())
    }
 }