35 lines
600 B
Go
35 lines
600 B
Go
// 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.
|
|
|
|
// Enumeration with an offset.
|
|
// Also includes a duplicate.
|
|
|
|
package main
|
|
|
|
import "fmt"
|
|
|
|
type Number int
|
|
|
|
const (
|
|
_ Number = iota
|
|
One
|
|
Two
|
|
Three
|
|
AnotherOne = One // Duplicate; note that AnotherOne doesn't appear below.
|
|
)
|
|
|
|
func main() {
|
|
ck(One, "One")
|
|
ck(Two, "Two")
|
|
ck(Three, "Three")
|
|
ck(AnotherOne, "One")
|
|
ck(127, "Number(127)")
|
|
}
|
|
|
|
func ck(num Number, str string) {
|
|
if fmt.Sprint(num) != str {
|
|
panic("number.go: " + str)
|
|
}
|
|
}
|