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libcore: result::unwrap should use moves

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This commit is contained in:
Erick Tryzelaar 2012-08-30 15:54:05 -07:00
parent afeaf7d88c
commit 7649860339
1 changed files with 4 additions and 9 deletions
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13
src/libcore/result.rs
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@ -341,15 +341,10 @@ fn iter_vec2<S,T,U:copy>(ss: &[S], ts: &[T],
}
/// Unwraps a result, assuming it is an `ok(T)`
fn unwrap<T, U>(-res: Result<T, U>) -> T {
unsafe {
let addr = match res {
Ok(x) => ptr::addr_of(x),
Err(_) => fail ~"error result"
};
let liberated_value = unsafe::reinterpret_cast(*addr);
unsafe::forget(res);
return liberated_value;
fn unwrap<T, U>(+res: Result<T, U>) -> T {
match move res {
Ok(move t) => t,
Err(_) => fail ~"unwrap called on an err result"
}
}