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42 lines
670 B
Go
42 lines
670 B
Go
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Check that constants defined as a conversion are accepted.
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package main
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import "fmt"
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type Other int // Imagine this is in another package.
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const (
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alpha Other = iota
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beta
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gamma
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delta
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)
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type Conv int
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const (
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Alpha = Conv(alpha)
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Beta = Conv(beta)
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Gamma = Conv(gamma)
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Delta = Conv(delta)
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)
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func main() {
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ck(Alpha, "Alpha")
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ck(Beta, "Beta")
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ck(Gamma, "Gamma")
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ck(Delta, "Delta")
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ck(42, "Conv(42)")
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}
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func ck(c Conv, str string) {
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if fmt.Sprint(c) != str {
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panic("conv.go: " + str)
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}
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}
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