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42 lines
1.0 KiB
42 lines
1.0 KiB
4 months ago
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// errorcheck
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// Copyright 2009 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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// Verify that pointers and interface types cannot be method receivers.
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// Does not compile.
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package main
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type T struct {
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a int
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}
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type P *T
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type P1 *T
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func (p P) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver"
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func (p *P1) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver"
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type I interface{}
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type I1 interface{}
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func (p I) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver"
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func (p *I1) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver"
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type Val interface {
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val() int
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}
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var _ = (*Val).val // ERROR "method"
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var v Val
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var pv = &v
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var _ = pv.val() // ERROR "pv.val undefined"
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var _ = pv.val // ERROR "pv.val undefined"
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func (t *T) g() int { return t.a }
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var _ = (T).g() // ERROR "needs pointer receiver|undefined"
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