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master
test/fixedbugs/issue41239.go
19 строк
393 B
Keith Randall
runtime: use old capacity to decide on append growth regime
25 сен 2020, 06:59
25 сен 2020, 06:59
2333c62
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// run // Copyright 2020 The Go Authors. All rights reserved. Use of this // source code is governed by a BSD-style license that can be found in // the LICENSE file. package main import "fmt" func main() { const N = 1024 var a [N]int x := cap(append(a[:N-1:N], 9, 9)) y := cap(append(a[:N:N], 9)) if x != y { panic(fmt.Sprintf("different capacity on append: %d vs %d", x, y)) } }