librustc: Replace impl Type : Trait with impl Trait for Type. rs=implflipping

Author: pcwalton

src/libcore/managed.rs

@@ -46,15 +46,15 @@ pub pure fn mut_ptr_eq<T>(a: @mut T, b: @mut T) -> bool {
 }
 
 #[cfg(notest)]
-impl<T:Eq> @const T : Eq {
+impl<T:Eq> Eq for @const T {
     #[inline(always)]
     pure fn eq(&self, other: &@const T) -> bool { *(*self) == *(*other) }
     #[inline(always)]
     pure fn ne(&self, other: &@const T) -> bool { *(*self) != *(*other) }
 }
 
 #[cfg(notest)]
-impl<T:Ord> @const T : Ord {
+impl<T:Ord> Ord for @const T {
     #[inline(always)]
     pure fn lt(&self, other: &@const T) -> bool { *(*self) < *(*other) }
     #[inline(always)]

src/libcore/nil.rs

@@ -17,15 +17,15 @@ Functions for the unit type.
 use cmp::{Eq, Ord};
 
 #[cfg(notest)]
-impl () : Eq {
+impl Eq for () {
     #[inline(always)]
     pure fn eq(&self, _other: &()) -> bool { true }
     #[inline(always)]
     pure fn ne(&self, _other: &()) -> bool { false }
 }
 
 #[cfg(notest)]
-impl () : Ord {
+impl Ord for () {
     #[inline(always)]
     pure fn lt(&self, _other: &()) -> bool { false }
     #[inline(always)]