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 func main() { 10 data := make(map[int]string, 1) 11 data[0] = "hello, " 12 data[0] += "world!" 13 if data[0] != "hello, world!" { 14 panic("BUG: " + data[0]) 15 } 16 } 17
