Demode tuple

Author: catamorphism

src/libcore/tuple.rs

@@ -36,7 +36,7 @@ impl<T: Copy, U: Copy> (T, U): TupleOps<T,U> {
 
 trait ExtendedTupleOps<A,B> {
     fn zip() -> ~[(A, B)];
-    fn map<C>(f: fn(A, B) -> C) -> ~[C];
+    fn map<C>(f: &fn(A, B) -> C) -> ~[C];
 }
 
 impl<A: Copy, B: Copy> (&[A], &[B]): ExtendedTupleOps<A,B> {
@@ -46,7 +46,7 @@ impl<A: Copy, B: Copy> (&[A], &[B]): ExtendedTupleOps<A,B> {
         vec::zip_slice(a, b)
     }
 
-    fn map<C>(f: fn(A, B) -> C) -> ~[C] {
+    fn map<C>(f: &fn(A, B) -> C) -> ~[C] {
         let (a, b) = self;
         vec::map2(a, b, f)
     }
@@ -60,7 +60,7 @@ impl<A: Copy, B: Copy> (~[A], ~[B]): ExtendedTupleOps<A,B> {
         vec::zip(move a, move b)
     }
 
-    fn map<C>(f: fn(A, B) -> C) -> ~[C] {
+    fn map<C>(f: &fn(A, B) -> C) -> ~[C] {
         // FIXME #2543: Bad copy
         let (a, b) = copy self;
         vec::map2(a, b, f)