1// run
2
3// Copyright 2015 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
7package main
8
9import "fmt"
10
11func prototype(xyz []string) {}
12func main() {
13	var got [][]string
14	f := prototype
15	f = func(ss []string) { got = append(got, ss) }
16	for _, s := range []string{"one", "two", "three"} {
17		f([]string{s})
18	}
19	if got[0][0] != "one" || got[1][0] != "two" || got[2][0] != "three" {
20		// Bug's wrong output was [[three] [three] [three]]
21		fmt.Println("Expected [[one] [two] [three]], got", got)
22	}
23}
24