github.com/powerman/golang-tools@v0.1.11-0.20220410185822-5ad214d8d803/cmd/stringer/testdata/num.go (about)

     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  // Signed integers spanning zero.
     6  
     7  package main
     8  
     9  import "fmt"
    10  
    11  type Num int
    12  
    13  const (
    14  	m_2 Num = -2 + iota
    15  	m_1
    16  	m0
    17  	m1
    18  	m2
    19  )
    20  
    21  func main() {
    22  	ck(-3, "Num(-3)")
    23  	ck(m_2, "m_2")
    24  	ck(m_1, "m_1")
    25  	ck(m0, "m0")
    26  	ck(m1, "m1")
    27  	ck(m2, "m2")
    28  	ck(3, "Num(3)")
    29  }
    30  
    31  func ck(num Num, str string) {
    32  	if fmt.Sprint(num) != str {
    33  		panic("num.go: " + str)
    34  	}
    35  }