1// run
2
3// Copyright 2016 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
11var results string
12
13type TwoInts struct {
14	x, y int
15}
16
17func f(x int) int { results = results + fmt.Sprintf("_%d", x); return x }
18
19func main() {
20	_ = [19]int{1: f(1), 0: f(0), 2: f(2), 6, 7}
21	_ = [2]int{1: f(4), 0: f(3)}
22	_ = TwoInts{y: f(6), x: f(5)}
23	_ = map[int]int{f(f(9) + 1): f(8), 0: f(7), f(22): -1}
24	if results != "_1_0_2_4_3_6_5_9_10_8_7_22" {
25		fmt.Printf("unexpected: %s\n", results)
26		panic("fail")
27	}
28}
29