priority_queue: add docstring for from_vec
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@ -93,6 +93,7 @@ impl <T: Ord> PriorityQueue<T> {
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q.to_vec()
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}
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/// Create a PriorityQueue from a vector (heapify)
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static pub pure fn from_vec(xs: ~[T]) -> PriorityQueue<T> {
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let mut q = PriorityQueue{data: xs,};
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let mut n = q.len() / 2;
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