| 1 | // Copyright 2014 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 | // Unsigned integers - check maximum size |
| 6 | |
| 7 | package main |
| 8 | |
| 9 | import "fmt" |
| 10 | |
| 11 | type Unum2 uint8 |
| 12 | |
| 13 | const ( |
| 14 | Zero Unum2 = iota |
| 15 | One |
| 16 | Two |
| 17 | ) |
| 18 | |
| 19 | func main() { |
| 20 | ck(Zero, "Zero") |
| 21 | ck(One, "One") |
| 22 | ck(Two, "Two") |
| 23 | ck(3, "Unum2(3)") |
| 24 | ck(255, "Unum2(255)") |
| 25 | } |
| 26 | |
| 27 | func ck(unum Unum2, str string) { |
| 28 | if fmt.Sprint(unum) != str { |
| 29 | panic("unum.go: " + str) |
| 30 | } |
| 31 | } |
| 32 |