diff options
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/slice/mod.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libcore/slice/mod.rs b/src/libcore/slice/mod.rs index acca9748372..a628fd0cfa4 100644 --- a/src/libcore/slice/mod.rs +++ b/src/libcore/slice/mod.rs @@ -1563,6 +1563,10 @@ impl<T> [T] { /// randomization to avoid degenerate cases, but with a fixed seed to always provide /// deterministic behavior. /// + /// Due to its key calling strategy, [`sort_unstable_by_key`](#method.sort_unstable_by_key) + /// is likely to be slower than [`sort_by_cached_key`](#method.sort_by_cached_key) in + /// cases where the key function is expensive. + /// /// # Examples /// /// ``` |