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Set element in slice to nil avoiding memory leak.

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This commit is contained in:
WhisperRain 2019-02-25 16:24:02 +08:00
parent 73b803ee53
commit 1bae5d3758
1 changed files with 1 additions and 0 deletions
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src/container/heap/example_pq_test.go
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@ -45,6 +45,7 @@ func (pq *PriorityQueue) Pop() interface{} {
old := *pq
n := len(old)
item := old[n-1]
old[n-1] = nil // avoid memory leak
item.index = -1 // for safety
*pq = old[0 : n-1]
return item