bjoernager/rust
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core: Make some functions pure

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This commit is contained in:
Brian Anderson 2012-03-15 13:57:26 -07:00
parent 561511e628
commit 844fbd83da
12 changed files with 21 additions and 21 deletions
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6
src/libcore/tuple.rs
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@ -1,14 +1,14 @@
fn first<T:copy, U:copy>(pair: (T, U)) -> T {
pure fn first<T:copy, U:copy>(pair: (T, U)) -> T {
let (t, _) = pair;
ret t;
}
fn second<T:copy, U:copy>(pair: (T, U)) -> U {
pure fn second<T:copy, U:copy>(pair: (T, U)) -> U {
let (_, u) = pair;
ret u;
}
fn swap<T:copy, U:copy>(pair: (T, U)) -> (U, T) {
pure fn swap<T:copy, U:copy>(pair: (T, U)) -> (U, T) {
let (t, u) = pair;
ret (u, t);
}