enumer/testdata/num.go

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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Signed integers spanning zero.
package main
import "fmt"
type Num int
const (
m_2 Num = -2 + iota
m_1
m0
m1
m2
)
func main() {
ck(-3, "Num(-3)")
ck(m_2, "m_2")
ck(m_1, "m_1")
ck(m0, "m0")
ck(m1, "m1")
ck(m2, "m2")
ck(3, "Num(3)")
}
func ck(num Num, str string) {
if fmt.Sprint(num) != str {
panic("num.go: " + str)
}
}