File: unum.go

package info (click to toggle)
golang-golang-x-tools 1%3A0.0~git20161028.0.b814a3b%2Bds-3~bpo8%2B1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 5,644 kB
  • sloc: yacc: 155; sh: 95; makefile: 27; asm: 18; xml: 11; ansic: 10
file content (38 lines) | stat: -rw-r--r-- 549 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// 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.

// Unsigned integers spanning zero.

package main

import "fmt"

type Unum uint8

const (
	m_2 Unum = iota + 253
	m_1
)

const (
	m0 Unum = iota
	m1
	m2
)

func main() {
	ck(^Unum(0)-3, "Unum(252)")
	ck(m_2, "m_2")
	ck(m_1, "m_1")
	ck(m0, "m0")
	ck(m1, "m1")
	ck(m2, "m2")
	ck(3, "Unum(3)")
}

func ck(unum Unum, str string) {
	if fmt.Sprint(unum) != str {
		panic("unum.go: " + str)
	}
}