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| author | Ulrik Sverdrup <root@localhost> | 2015-05-01 17:08:39 +0200 |
|---|---|---|
| committer | Ulrik Sverdrup <root@localhost> | 2015-05-01 19:51:31 +0200 |
| commit | da03c9df33177d77029c52f8a68a5d214a6e83c7 (patch) | |
| tree | eca156ea8ad4fe9c6abd38fbb9032c13f0ddd080 /src/libsyntax/lib.rs | |
| parent | ee48e6d192166be08a57dc4f5ba14256c072e9c3 (diff) | |
syntax: Avoid reallocating or copying in CodeMap::new_filemap
Avoid creating a new String when there is no BOM to strip, and otherwises use .drain(..3) to strip the BOM using the same allocation.
Diffstat (limited to 'src/libsyntax/lib.rs')
| -rw-r--r-- | src/libsyntax/lib.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/lib.rs b/src/libsyntax/lib.rs index 275400009f5..330fe86deeb 100644 --- a/src/libsyntax/lib.rs +++ b/src/libsyntax/lib.rs @@ -27,6 +27,7 @@ #![feature(associated_consts)] #![feature(collections)] +#![feature(collections_drain)] #![feature(core)] #![feature(libc)] #![feature(rustc_private)] |