blob: 9a9dc6448e2270ac772307b6f9ea8920d980cb90 [file] [log] [blame]
David Symonds45ff7652018-11-01 14:33:50 +11001// Copyright 2018 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
5// Check that constants defined as a conversion are accepted.
6
7package main
8
9import "fmt"
10
11type Other int // Imagine this is in another package.
12
13const (
14 alpha Other = iota
15 beta
16 gamma
17 delta
18)
19
20type Conv int
21
22const (
23 Alpha = Conv(alpha)
24 Beta = Conv(beta)
25 Gamma = Conv(gamma)
26 Delta = Conv(delta)
27)
28
29func main() {
30 ck(Alpha, "Alpha")
31 ck(Beta, "Beta")
32 ck(Gamma, "Gamma")
33 ck(Delta, "Delta")
34 ck(42, "Conv(42)")
35}
36
37func ck(c Conv, str string) {
38 if fmt.Sprint(c) != str {
39 panic("conv.go: " + str)
40 }
41}