1 // run 2 3 // Copyright 2010 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 package main 8 9 import "errors" 10 11 // Issue 481: closures and var declarations 12 // with multiple variables assigned from one 13 // function call. 14 15 func main() { 16 var listen, _ = Listen("tcp", "127.0.0.1:0") 17 18 go func() { 19 for { 20 var conn, _ = listen.Accept() 21 _ = conn 22 } 23 }() 24 25 var conn, _ = Dial("tcp", "", listen.Addr().Error()) 26 _ = conn 27 } 28 29 // Simulated net interface to exercise bug 30 // without involving a real network. 31 type T chan int 32 33 var global T 34 35 func Listen(x, y string) (T, string) { 36 global = make(chan int) 37 return global, y 38 } 39 40 func (t T) Addr() error { 41 return errors.New("stringer") 42 } 43 44 func (t T) Accept() (int, string) { 45 return <-t, "" 46 } 47 48 func Dial(x, y, z string) (int, string) { 49 global <- 1 50 return 0, "" 51 } 52
