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go/test/interface/private.go
Rob Pike 13514d4e0b test/interface: document tests
Most already had comments (yay); adjusted for consistency.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5676102
2012-02-19 17:33:41 +11:00

36 lines
649 B
Go

// $G $D/${F}1.go && errchk $G $D/$F.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.
// Test that unexported methods are not visible outside the package.
// Does not compile.
package main
import "./private1"
type Exported interface {
private()
}
type Implementation struct{}
func (p *Implementation) private() {}
func main() {
var x Exported
x = new(Implementation)
x.private()
var px p.Exported
px = p.X
px.private() // ERROR "private"
px = new(Implementation) // ERROR "private"
x = px // ERROR "private"
}