1 // run 2 3 // Copyright 2011 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 // Test zero length structs. 8 // Used to not be evaluated. 9 // Issue 2232. 10 11 package main 12 13 func recv(c chan interface{}) struct{} { 14 return (<-c).(struct{}) 15 } 16 17 var m = make(map[interface{}]int) 18 19 func recv1(c chan interface{}) { 20 defer rec() 21 m[(<-c).(struct{})] = 0 22 } 23 24 func rec() { 25 recover() 26 } 27 28 func main() { 29 c := make(chan interface{}) 30 go recv(c) 31 c <- struct{}{} 32 go recv1(c) 33 c <- struct{}{} 34 } 35
