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| author | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2012-10-09 08:36:06 -0700 |
|---|---|---|
| committer | Erick Tryzelaar <erick.tryzelaar@gmail.com> | 2012-10-09 08:52:46 -0700 |
| commit | bdc1b7a8a71b0168a26e1f897246abc6c6ab1091 (patch) | |
| tree | 910a07ab0084a3930bb8e53f7f0990686687da9c | |
| parent | 22efa39382d41b084fde1719df7ae8ce5697d8c9 (diff) | |
| download | rust-bdc1b7a8a71b0168a26e1f897246abc6c6ab1091.tar.gz rust-bdc1b7a8a71b0168a26e1f897246abc6c6ab1091.zip | |
libcore: add a str::with_capacity to match the fn in vec
| -rw-r--r-- | src/libcore/str.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libcore/str.rs b/src/libcore/str.rs index d743f0c7f3b..33016bf9923 100644 --- a/src/libcore/str.rs +++ b/src/libcore/str.rs @@ -1473,6 +1473,11 @@ pub pure fn from_utf16(v: &[u16]) -> ~str { move buf } +pub pure fn with_capacity(capacity: uint) -> ~str { + let mut buf = ~""; + unsafe { reserve(&mut buf, capacity); } + move buf +} /** * As char_len but for a slice of a string |