github.com/powerman/golang-tools@v0.1.11-0.20220410185822-5ad214d8d803/cmd/stringer/testdata/prime.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  // Enough gaps to trigger a map implementation of the method.
     6  // Also includes a duplicate to test that it doesn't cause problems
     7  
     8  package main
     9  
    10  import "fmt"
    11  
    12  type Prime int
    13  
    14  const (
    15  	p2  Prime = 2
    16  	p3  Prime = 3
    17  	p5  Prime = 5
    18  	p7  Prime = 7
    19  	p77 Prime = 7 // Duplicate; note that p77 doesn't appear below.
    20  	p11 Prime = 11
    21  	p13 Prime = 13
    22  	p17 Prime = 17
    23  	p19 Prime = 19
    24  	p23 Prime = 23
    25  	p29 Prime = 29
    26  	p37 Prime = 31
    27  	p41 Prime = 41
    28  	p43 Prime = 43
    29  )
    30  
    31  func main() {
    32  	ck(0, "Prime(0)")
    33  	ck(1, "Prime(1)")
    34  	ck(p2, "p2")
    35  	ck(p3, "p3")
    36  	ck(4, "Prime(4)")
    37  	ck(p5, "p5")
    38  	ck(p7, "p7")
    39  	ck(p77, "p7")
    40  	ck(p11, "p11")
    41  	ck(p13, "p13")
    42  	ck(p17, "p17")
    43  	ck(p19, "p19")
    44  	ck(p23, "p23")
    45  	ck(p29, "p29")
    46  	ck(p37, "p37")
    47  	ck(p41, "p41")
    48  	ck(p43, "p43")
    49  	ck(44, "Prime(44)")
    50  }
    51  
    52  func ck(prime Prime, str string) {
    53  	if fmt.Sprint(prime) != str {
    54  		panic("prime.go: " + str)
    55  	}
    56  }