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| author | Oliver Middleton <olliemail27@gmail.com> | 2016-11-04 18:47:32 +0000 |
|---|---|---|
| committer | Oliver Middleton <olliemail27@gmail.com> | 2016-11-04 18:47:32 +0000 |
| commit | 775d399da84776bfd8ae09af5f402874372e299c (patch) | |
| tree | 869464ae11e364cffceaf6a6484910010890b0d9 /src | |
| parent | acfe959701ce221af37516401726be6d2814cc3f (diff) | |
| download | rust-775d399da84776bfd8ae09af5f402874372e299c.tar.gz rust-775d399da84776bfd8ae09af5f402874372e299c.zip | |
Remove recursive call from Cow::to_mut
It seems to prevent it from being inlined.
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcollections/borrow.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libcollections/borrow.rs b/src/libcollections/borrow.rs index 8f9c3578337..30286fb243c 100644 --- a/src/libcollections/borrow.rs +++ b/src/libcollections/borrow.rs @@ -159,7 +159,10 @@ impl<'a, B: ?Sized> Cow<'a, B> where B: ToOwned { match *self { Borrowed(borrowed) => { *self = Owned(borrowed.to_owned()); - self.to_mut() + match *self { + Borrowed(..) => unreachable!(), + Owned(ref mut owned) => owned, + } } Owned(ref mut owned) => owned, } |