mirror of
https://github.com/golang/go
synced 2024-11-25 06:57:58 -07:00
47 lines
829 B
Go
47 lines
829 B
Go
// Copyright 2011 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.
|
|
|
|
package main
|
|
|
|
import "./lib"
|
|
|
|
type I interface {
|
|
M()
|
|
}
|
|
|
|
type PI interface {
|
|
PM()
|
|
}
|
|
|
|
func main() {
|
|
var t lib.T
|
|
t.M()
|
|
t.PM()
|
|
|
|
var i1 I = t
|
|
i1.M()
|
|
|
|
// This combination is illegal because
|
|
// PM requires a pointer receiver.
|
|
// var pi1 PI = t
|
|
// pi1.PM()
|
|
|
|
var pt = &t
|
|
pt.M()
|
|
pt.PM()
|
|
|
|
var i2 I = pt
|
|
i2.M()
|
|
|
|
var pi2 PI = pt
|
|
pi2.PM()
|
|
}
|
|
|
|
/*
|
|
These should not be errors anymore:
|
|
|
|
bug322.dir/main.go:19: implicit assignment of unexported field 'x' of lib.T in method receiver
|
|
bug322.dir/main.go:22: implicit assignment of unexported field 'x' of lib.T in assignment
|
|
bug322.dir/main.go:31: implicit assignment of unexported field 'x' of lib.T in method receiver
|
|
*/ |