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libcore: Add an implementation of to_str for &str.

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It duplicates the string.
This commit is contained in:
Patrick Walton 2012-08-25 18:42:07 -07:00
parent 09df8f1abf
commit 7d86429415
1 changed files with 3 additions and 0 deletions
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3
src/libcore/to_str.rs
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@ -46,6 +46,9 @@ fn to_str() -> ~str { ~"()" }
impl ~str: ToStr {
fn to_str() -> ~str { self }
}
impl &str: ToStr {
fn to_str() -> ~str { str::from_slice(self) }
}
impl<A: ToStr copy, B: ToStr copy> (A, B): ToStr {
fn to_str() -> ~str {