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adding time complexity for partition_in_place iter method #85315

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Merged
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May 20, 2021
Merged

adding time complexity for partition_in_place iter method #85315

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adding time complexity for partition_in_place iter method
May 15, 2021
85e4177
adding algorithm explanation for partition_in_place iter method and b…
May 18, 2021
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6 changes: 6 additions & 0 deletions library/core/src/iter/traits/iterator.rs
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Expand Up @@ -1849,6 +1849,12 @@ pub trait Iterator {
///
/// The relative order of partitioned items is not maintained.
///
/// # Current implementation
/// Current algorithms tries finding the first element for which the predicate evaluates
/// to false, and the last element for which it evaluates to true and repeatedly swaps them.
///
/// Time Complexity: *O*(*N*)
///
/// See also [`is_partitioned()`] and [`partition()`].
///
/// [`is_partitioned()`]: Iterator::is_partitioned
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