文件操作 - issue19710.go
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文件: /usr/share/go-1.23/test/fixedbugs/issue19710.go
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// run // Copyright 2017 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. // Issue 19710: mishandled defer delete(...) package main func main() { if n := len(f()); n != 0 { println("got", n, "want 0") panic("bad defer delete") } } func f() map[int]bool { m := map[int]bool{} for i := 0; i < 3; i++ { m[i] = true defer delete(m, i) } return m }
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