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// $G $D/$F.go && $L $F.$A && ./$A.out

// Copyright 2010 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 "errors"

// Issue 481: closures and var declarations

// with multiple variables assigned from one

// function call.

func main() {

        var listen, _ = Listen("tcp", "127.0.0.1:0")

        go func() {

                for {

                        var conn, _ = listen.Accept()

                        _ = conn

                }

        }()

        var conn, _ = Dial("tcp", "", listen.Addr().Error())

        _ = conn

}

// Simulated net interface to exercise bug

// without involving a real network.

type T chan int

var global T

func Listen(x, y string) (T, string) {

        global = make(chan int)

        return global, y

}

func (t T) Addr() error {

        return errors.New("stringer")

}

func (t T) Accept() (int, string) {

        return <-t, ""

}

func Dial(x, y, z string) (int, string) {

        global <- 1

        return 0, ""

}