Convert vec::{reverse, swap} to methods.

src/test/compile-fail/moves-based-on-type-exprs.rs

@@ -1,8 +1,6 @@
 // Tests that references to move-by-default values trigger moves when
 // they occur as part of various kinds of expressions.
 
-use std::vec;
-
 struct Foo<A> { f: A }
 fn guard(_s: ~str) -> bool {fail!()}
 fn touch<A>(_a: &A) {}
@@ -92,7 +90,7 @@ fn f110() {
 
 fn f120() {
     let mut x = ~[~"hi", ~"ho"];
-    vec::swap(x, 0, 1);
+    x.swap(0, 1);
     touch(&x[0]);
     touch(&x[1]);
 }

src/test/run-pass/coerce-reborrow-mut-vec-arg.rs

@@ -1,13 +1,11 @@
-use std::vec;
-
-trait Reverser {
-    fn reverse(&self);
+fn reverse(v: &mut [uint]) {
+    v.reverse();
 }
 
 fn bar(v: &mut [uint]) {
-    vec::reverse(v);
-    vec::reverse(v);
-    vec::reverse(v);
+    reverse(v);
+    reverse(v);
+    reverse(v);
 }
 
 pub fn main() {

src/test/run-pass/coerce-reborrow-mut-vec-rcvr.rs

@@ -1,15 +1,3 @@
-use std::vec;
-
-trait Reverser {
-    fn reverse(self);
-}
-
-impl<'self> Reverser for &'self mut [uint] {
-    fn reverse(self) {
-        vec::reverse(self);
-    }
-}
-
 fn bar(v: &mut [uint]) {
     v.reverse();
     v.reverse();

src/test/run-pass/swap-2.rs

@@ -9,11 +9,10 @@
 // except according to those terms.
 
 use std::util;
-use std::vec;
 
 pub fn main() {
     let mut a: ~[int] = ~[0, 1, 2, 3, 4, 5, 6];
-    vec::swap(a, 2, 4);
+    a.swap(2, 4);
     assert_eq!(a[2], 4);
     assert_eq!(a[4], 2);
     let mut n = 42;