1// Copyright 2021 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package foo_test
6
7const (
8	a = iota
9	b
10)
11
12const (
13	c = 3
14	d = 4
15)
16
17const (
18	e = iota
19	f
20)
21
22// The example refers to only one of the constants in the iota group, but we
23// must keep all of them because of the iota. The second group of constants can
24// be trimmed. The third has an iota, but is unused, so it can be eliminated.
25
26func Example() {
27	_ = b
28	_ = d
29}
30
31// Need two examples to hit the playExample function.
32
33func Example2() {
34}
35