libcore: Add an implementation of to_str for &str.

It duplicates the string.

libcore: Add an implementation of to_str for &str.
It duplicates the string.
7d864294 · Patrick Walton · 09df8f1a · 7d864294
隐藏空白更改
内联并排

Showing with 3 addition and 0 deletion

src/libcore/to_str.rs src/libcore/to_str.rs +3 -0

未找到文件。
--- a/src/libcore/to_str.rs
+++ b/src/libcore/to_str.rs
@@ -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 {