std::vec: Remove functions concat, connect

std::vec::{concat, connect, concat_slices, connect_slices} are replaced
by the already existing trait methods .concat_vec() and .connect_vec().

src/librustc/middle/check_match.rs

@@ -773,12 +773,12 @@ pub fn specialize(cx: &MatchCheckCtxt,
                         let num_elements = before.len() + after.len();
                         if num_elements < arity && slice.is_some() {
                             Some(vec::append(
-                                vec::concat(&[
+                                [
                                     before,
                                     vec::from_elem(
                                         arity - num_elements, wild()),
                                     after
-                                ]),
+                                ].concat_vec(),
                                 r.tail()
                             ))
                         } else if num_elements == arity {

src/librustdoc/clean.rs

@@ -173,12 +173,11 @@ impl Clean<Item> for doctree::Module {
             visibility: self.vis.clean(),
             id: self.id,
             inner: ModuleItem(Module {
-               items: std::vec::concat(&[self.structs.clean(),
-                              self.enums.clean(), self.fns.clean(),
-                              std::vec::concat(self.foreigns.clean()),
-                              self.mods.clean(), self.typedefs.clean(),
-                              self.statics.clean(), self.traits.clean(),
-                              self.impls.clean(), self.view_items.clean()])
+               items: [self.structs.clean(), self.enums.clean(),
+                       self.fns.clean(), self.foreigns.clean().concat_vec(),
+                       self.mods.clean(), self.typedefs.clean(),
+                       self.statics.clean(), self.traits.clean(),
+                       self.impls.clean(), self.view_items.clean()].concat_vec()
             })
         }
     }

src/libstd/vec.rs

@@ -340,18 +340,6 @@ pub fn flat_map<T, U>(v: &[T], f: &fn(t: &T) -> ~[U]) -> ~[U] {
     result
 }
 
-/// Flattens a vector of vectors of T into a single vector of T.
-pub fn concat<T:Clone>(v: &[~[T]]) -> ~[T] { v.concat_vec() }
-
-/// Concatenate a vector of vectors, placing a given separator between each
-pub fn connect<T:Clone>(v: &[~[T]], sep: &T) -> ~[T] { v.connect_vec(sep) }
-
-/// Flattens a vector of vectors of T into a single vector of T.
-pub fn concat_slices<T:Clone>(v: &[&[T]]) -> ~[T] { v.concat_vec() }
-
-/// Concatenate a vector of vectors, placing a given separator between each
-pub fn connect_slices<T:Clone>(v: &[&[T]], sep: &T) -> ~[T] { v.connect_vec(sep) }
-
 #[allow(missing_doc)]
 pub trait VectorVector<T> {
     // FIXME #5898: calling these .concat and .connect conflicts with
@@ -3098,24 +3086,21 @@ mod tests {
 
     #[test]
     fn test_concat() {
-        assert_eq!(concat([~[1], ~[2,3]]), ~[1, 2, 3]);
+        let v: [~[int], ..0] = [];
+        assert_eq!(v.concat_vec(), ~[]);
         assert_eq!([~[1], ~[2,3]].concat_vec(), ~[1, 2, 3]);
 
-        assert_eq!(concat_slices([&[1], &[2,3]]), ~[1, 2, 3]);
         assert_eq!([&[1], &[2,3]].concat_vec(), ~[1, 2, 3]);
     }
 
     #[test]
     fn test_connect() {
-        assert_eq!(connect([], &0), ~[]);
-        assert_eq!(connect([~[1], ~[2, 3]], &0), ~[1, 0, 2, 3]);
-        assert_eq!(connect([~[1], ~[2], ~[3]], &0), ~[1, 0, 2, 0, 3]);
+        let v: [~[int], ..0] = [];
+        assert_eq!(v.connect_vec(&0), ~[]);
         assert_eq!([~[1], ~[2, 3]].connect_vec(&0), ~[1, 0, 2, 3]);
         assert_eq!([~[1], ~[2], ~[3]].connect_vec(&0), ~[1, 0, 2, 0, 3]);
 
-        assert_eq!(connect_slices([], &0), ~[]);
-        assert_eq!(connect_slices([&[1], &[2, 3]], &0), ~[1, 0, 2, 3]);
-        assert_eq!(connect_slices([&[1], &[2], &[3]], &0), ~[1, 0, 2, 0, 3]);
+        assert_eq!(v.connect_vec(&0), ~[]);
         assert_eq!([&[1], &[2, 3]].connect_vec(&0), ~[1, 0, 2, 3]);
         assert_eq!([&[1], &[2], &[3]].connect_vec(&0), ~[1, 0, 2, 0, 3]);
     }