rustc: Implement typechecking for simple monomorphic derivable traits on monomorphic types. r=brson

2012-10-22 17:57:10 -07:00
parent 575950d12c
commit 3bf0a9b094
23 changed files with 422 additions and 123 deletions
--- a/src/libsyntax/ast_map.rs
+++ b/src/libsyntax/ast_map.rs
@@ -202,11 +202,13 @@ fn map_item(i: @item, cx: ctx, v: vt) {
    let item_path = @/* FIXME (#2543) */ copy cx.path;
    cx.map.insert(i.id, node_item(i, item_path));
    match i.node {
-      item_impl(_, _, _, ms) => {
+      item_impl(_, _, _, ms_opt) => {
        let impl_did = ast_util::local_def(i.id);
-        for ms.each |m| {
-            map_method(impl_did, extend(cx, i.ident), *m,
-                       cx);
+        for ms_opt.each |ms| {
+            for ms.each |m| {
+                map_method(impl_did, extend(cx, i.ident), *m,
+                           cx);
+            }
        }
      }
      item_enum(enum_definition, _) => {