File: issue23925.go

package info (click to toggle)
golang-golang-x-tools 1%3A0.0~git20190125.d66bd3c%2Bds-4
  • links: PTS, VCS
  • area: main
  • in suites: buster, buster-backports
  • size: 8,912 kB
  • sloc: asm: 1,394; yacc: 155; makefile: 109; sh: 108; ansic: 17; xml: 11
file content (38 lines) | stat: -rw-r--r-- 809 bytes parent folder | download | duplicates (5)
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
package main

// Regression test for https://golang.org/issue/23925

type stringFlagImpl string

func (*stringFlagImpl) Set(s string) error { return nil }

type boolFlagImpl bool

func (*boolFlagImpl) Set(s string) error { return nil }
func (*boolFlagImpl) extra()             {}

// A copy of flag.boolFlag interface, without a dependency.
// Must appear first, so that it becomes the owner of the Set methods.
type boolFlag interface {
	flagValue
	extra()
}

// A copy of flag.Value, without adding a dependency.
type flagValue interface {
	Set(string) error
}

func main() {
	var x flagValue = new(stringFlagImpl)
	x.Set("")

	var y boolFlag = new(boolFlagImpl)
	y.Set("")
}

// WANT:
// Dynamic calls
//   main --> (*boolFlagImpl).Set
//   main --> (*boolFlagImpl).Set
//   main --> (*stringFlagImpl).Set