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3072df5c1d
Fixes #7214 LGTM=rsc R=golang-codereviews, bradfitz, rsc CC=golang-codereviews, minux.ma https://golang.org/cl/82080044
31 lines
817 B
Go
31 lines
817 B
Go
// errorcheck
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// Copyright 2014 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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// Issue 7214: No duplicate key error for maps with interface{} key type
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package p
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var _ = map[interface{}]int{2: 1, 2: 1} // ERROR "duplicate key"
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var _ = map[interface{}]int{int(2): 1, int16(2): 1}
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var _ = map[interface{}]int{int16(2): 1, int16(2): 1} // ERROR "duplicate key"
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type S string
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var _ = map[interface{}]int{"a": 1, "a": 1} // ERROR "duplicate key"
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var _ = map[interface{}]int{"a": 1, S("a"): 1}
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var _ = map[interface{}]int{S("a"): 1, S("a"): 1} // ERROR "duplicate key"
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type I interface {
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f()
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}
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type N int
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func (N) f() {}
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var _ = map[I]int{N(0): 1, N(2): 1}
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var _ = map[I]int{N(2): 1, N(2): 1} // ERROR "duplicate key"
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