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

     1  // Copyright 2018 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  // Check that constants defined as a conversion are accepted.
     6  
     7  package main
     8  
     9  import "fmt"
    10  
    11  type Other int // Imagine this is in another package.
    12  
    13  const (
    14  	alpha Other = iota
    15  	beta
    16  	gamma
    17  	delta
    18  )
    19  
    20  type Conv int
    21  
    22  const (
    23  	Alpha = Conv(alpha)
    24  	Beta  = Conv(beta)
    25  	Gamma = Conv(gamma)
    26  	Delta = Conv(delta)
    27  )
    28  
    29  func main() {
    30  	ck(Alpha, "Alpha")
    31  	ck(Beta, "Beta")
    32  	ck(Gamma, "Gamma")
    33  	ck(Delta, "Delta")
    34  	ck(42, "Conv(42)")
    35  }
    36  
    37  func ck(c Conv, str string) {
    38  	if fmt.Sprint(c) != str {
    39  		panic("conv.go: " + str)
    40  	}
    41  }