librustc: Implement associated types behind a feature gate.

The implementation essentially desugars during type collection and AST
type conversion time into the parameter scheme we have now. Only fully
qualified names--e.g. `<T as Foo>::Bar`--are supported.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs
index 6c7bbb2384c..7a7dbc54c9e 100644
--- a/src/libsyntax/ext/tt/macro_rules.rs
+++ b/src/libsyntax/ext/tt/macro_rules.rs
@@ -90,7 +90,10 @@ impl<'a> MacResult for ParserAnyMacro<'a> {
             let mut parser = self.parser.borrow_mut();
             match parser.token {
                 EOF => break,
-                _ => ret.push(parser.parse_method(None))
+                _ => {
+                    let attrs = parser.parse_outer_attributes();
+                    ret.push(parser.parse_method(attrs, ast::Inherited))
+                }
             }
         }
         self.ensure_complete_parse(false);