mirror of
https://github.com/golang/go
synced 2024-11-21 16:54:46 -07:00
13514d4e0b
Most already had comments (yay); adjusted for consistency. R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/5676102
60 lines
768 B
Go
60 lines
768 B
Go
// 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 compiler complains about missing implicit methods.
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// Does not compile.
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package main
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type T int
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func (t T) V()
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func (t *T) P()
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type V interface {
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V()
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}
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type P interface {
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P()
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V()
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}
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type S struct {
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T
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}
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type SP struct {
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*T
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}
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func main() {
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var t T
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var v V
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var p P
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var s S
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var sp SP
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v = t
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p = t // ERROR "does not implement|requires a pointer"
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_, _ = v, p
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v = &t
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p = &t
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_, _ = v, p
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v = s
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p = s // ERROR "does not implement|requires a pointer"
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_, _ = v, p
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v = &s
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p = &s
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_, _ = v, p
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v = sp
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p = sp // no error!
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_, _ = v, p
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v = &sp
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p = &sp
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_, _ = v, p
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}
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