rustc: Use coherence for operator overloading.

The only use of the old-style impls is now placement new.

2 files changed, 1 insertions, 18 deletions

diff --git a/src/libsyntax/ext/pipes/ast_builder.rs b/src/libsyntax/ext/pipes/ast_builder.rs
index f367fb63985..bb5b35233cd 100644
--- a/src/libsyntax/ext/pipes/ast_builder.rs
+++ b/src/libsyntax/ext/pipes/ast_builder.rs
@@ -31,23 +31,6 @@ fn empty_span() -> span {
     {lo: 0, hi: 0, expn_info: none}
 }
 
-trait path_concat {
-    fn +(id: ident) -> @ast::path;
-}
-
-impl methods of path_concat for ident {
-    fn +(id: ident) -> @ast::path {
-        path(self, empty_span()) + id
-    }
-}
-
-impl methods of path_concat for @ast::path {
-    fn +(id: ident) -> @ast::path {
-        @{idents: vec::append_one(self.idents, id)
-          with *self}
-    }
-}
-
 trait append_types {
     fn add_ty(ty: @ast::ty) -> @ast::path;
     fn add_tys(+tys: ~[@ast::ty]) -> @ast::path;
diff --git a/src/libsyntax/ext/pipes/pipec.rs b/src/libsyntax/ext/pipes/pipec.rs
index 392e6ba392a..c1274d12f1d 100644
--- a/src/libsyntax/ext/pipes/pipec.rs
+++ b/src/libsyntax/ext/pipes/pipec.rs
@@ -16,12 +16,12 @@ import ext::base::{mk_ctxt, ext_ctxt};
 import parse;
 import parse::*;
 import proto::*;
+import ast::methods;
 
 import ast_builder::append_types;
 import ast_builder::ast_builder;
 import ast_builder::methods;
 import ast_builder::path;
-import ast_builder::path_concat;
 
 // Transitional reexports so qquote can find the paths it is looking for
 mod syntax {