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33 lines
471 B
Go
33 lines
471 B
Go
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// run
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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func main() {
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m := map[interface{}]int{}
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k := []int{}
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mustPanic(func() {
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_ = m[k]
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})
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mustPanic(func() {
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_, _ = m[k]
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})
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mustPanic(func() {
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delete(m, k)
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})
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}
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func mustPanic(f func()) {
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defer func() {
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r := recover()
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if r == nil {
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panic("didn't panic")
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}
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}()
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f()
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}
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