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Document From trait for BinaryHeap #63486

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Aug 14, 2019
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Document From trait for BinaryHeap #63486

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Document From trait for BinaryHeap
Observer42 Aug 12, 2019
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Aug 12, 2019
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3 changes: 3 additions & 0 deletions src/liballoc/collections/binary_heap.rs
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Expand Up @@ -1163,6 +1163,9 @@ impl<T> FusedIterator for Drain<'_, T> {}

#[stable(feature = "binary_heap_extras_15", since = "1.5.0")]
impl<T: Ord> From<Vec<T>> for BinaryHeap<T> {
/// Converts a `Vec` into a `BinaryHeap`.
///
/// This conversion happens in-place, and has O(n) time complexity.
fn from(vec: Vec<T>) -> BinaryHeap<T> {
let mut heap = BinaryHeap { data: vec };
heap.rebuild();
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