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Update current implementation comments for select_nth_unstable #111973

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Merged
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May 27, 2023
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Update current implementation comments for select_nth_unstable #111973

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10 changes: 6 additions & 4 deletions library/core/src/slice/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3005,8 +3005,9 @@ impl<T> [T] {
///
/// # Current implementation
///
/// The current algorithm is based on the quickselect portion of the same quicksort algorithm
/// used for [`sort_unstable`].
/// The current algorithm is an introselect implementation based on Pattern Defeating Quicksort, which is also
/// the basis for [`sort_unstable`]. The fallback algorithm is Median of Medians using Tukey's Ninther for
/// pivot selection, which guarantees linear runtime for all inputs.
///
/// [`sort_unstable`]: slice::sort_unstable
///
Expand Down Expand Up @@ -3056,8 +3057,9 @@ impl<T> [T] {
///
/// # Current implementation
///
/// The current algorithm is based on the quickselect portion of the same quicksort algorithm
/// used for [`sort_unstable`].
/// The current algorithm is an introselect implementation based on Pattern Defeating Quicksort, which is also
/// the basis for [`sort_unstable`]. The fallback algorithm is Median of Medians using Tukey's Ninther for
/// pivot selection, which guarantees linear runtime for all inputs.
///
/// [`sort_unstable`]: slice::sort_unstable
///
Expand Down