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libstd: Make vec_from_set pure

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Patrick Walton 2012-10-03 19:25:24 -07:00
parent 82fd71137a
commit 1c3bfa4550
1 changed files with 1 additions and 1 deletions
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src/libstd/map.rs
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@ -382,7 +382,7 @@ pub fn set_add<K:Eq IterBytes Hash Const Copy>(set: Set<K>, key: K) -> bool {
}
/// Convert a set into a vector.
pub fn vec_from_set<T:Eq IterBytes Hash Copy>(s: Set<T>) -> ~[T] {
pub pure fn vec_from_set<T:Eq IterBytes Hash Copy>(s: Set<T>) -> ~[T] {
do vec::build_sized(s.size()) |push| {
for s.each_key() |k| {
push(k);