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core: Split up result extensions by kind bounds

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This commit is contained in:
Brian Anderson 2012-06-22 17:32:52 -07:00
parent ce7b803728
commit 0cf730ed2a
1 changed files with 24 additions and 18 deletions
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42
src/libcore/result.rs
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@ -180,23 +180,11 @@ fn map_err<T: copy, E, F: copy>(res: result<T, E>, op: fn(E) -> F)
}
}
impl extensions<T:copy, E:copy> for result<T,E> {
fn get() -> T { get(self) }
fn get_err() -> E { get_err(self) }
impl extensions<T, E> for result<T, E> {
fn is_success() -> bool { is_success(self) }
fn is_failure() -> bool { is_failure(self) }
fn chain<U:copy>(op: fn(T) -> result<U,E>) -> result<U,E> {
chain(self, op)
}
fn chain_err<F:copy>(op: fn(E) -> result<T,F>) -> result<T,F> {
chain_err(self, op)
}
fn iter(f: fn(T)) {
alt self {
ok(t) { f(t) }
@ -210,6 +198,21 @@ impl extensions<T:copy, E:copy> for result<T,E> {
err(e) { f(e) }
}
}
}
impl extensions<T:copy, E> for result<T, E> {
fn get() -> T { get(self) }
fn map_err<F:copy>(op: fn(E) -> F) -> result<T,F> {
alt self {
ok(t) { ok(t) }
err(e) { err(op(e)) }
}
}
}
impl extensions<T, E:copy> for result<T, E> {
fn get_err() -> E { get_err(self) }
fn map<U:copy>(op: fn(T) -> U) -> result<U,E> {
alt self {
@ -217,12 +220,15 @@ impl extensions<T:copy, E:copy> for result<T,E> {
err(e) { err(e) }
}
}
}
fn map_err<F:copy>(op: fn(E) -> F) -> result<T,F> {
alt self {
ok(t) { ok(t) }
err(e) { err(op(e)) }
}
impl extensions<T:copy, E:copy> for result<T,E> {
fn chain<U:copy>(op: fn(T) -> result<U,E>) -> result<U,E> {
chain(self, op)
}
fn chain_err<F:copy>(op: fn(E) -> result<T,F>) -> result<T,F> {
chain_err(self, op)
}
}