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// https://golang.org/issue/662
8
9package main
10
11import "fmt"
12
13func f() (int, int) { return 1, 2 }
14
15func main() {
16	s := fmt.Sprint(f())
17	if s != "1 2" {	// with bug, was "{1 2}"
18		println("BUG")
19	}
20}
21