diff options
Diffstat (limited to 'src/libcore/dvec.rs')
| -rw-r--r-- | src/libcore/dvec.rs | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/libcore/dvec.rs b/src/libcore/dvec.rs index 1a46d630d4f..c7a31b39ad5 100644 --- a/src/libcore/dvec.rs +++ b/src/libcore/dvec.rs @@ -131,12 +131,15 @@ impl extensions<A> for dvec<A> { impl extensions<A:copy> for dvec<A> { #[doc = "Append a single item to the end of the list"] fn push(t: A) { - self.swap { |v| v += [t]; v } // more efficient than v + [t] + self.swap { |v| + let mut v <- v; v += [t]; v // more efficient than v + [t] + } } #[doc = "Remove and return the last element"] fn pop() -> A { self.borrow { |v| + let mut v <- v; let result = vec::pop(v); self.return(v); result @@ -157,6 +160,7 @@ impl extensions<A:copy> for dvec<A> { "] fn push_slice(ts: [const A]/&, from_idx: uint, to_idx: uint) { self.swap { |v| + let mut v <- v; let new_len = vec::len(v) + to_idx - from_idx; vec::reserve(v, new_len); let mut i = from_idx; @@ -232,6 +236,10 @@ impl extensions<A:copy> for dvec<A> { #[doc = "Overwrites the contents of the element at `idx` with `a`"] fn grow_set_elt(idx: uint, initval: A, val: A) { - self.swap { |v| vec::grow_set(v, idx, initval, val); v } + self.swap { |v| + let mut v <- v; + vec::grow_set(v, idx, initval, val); + v + } } } \ No newline at end of file |