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pkg/flags: add "StringSliceFromFlag"

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-03-14 21:32:24 -04:00
parent 9e7ef79c26
commit 5e9d4652e0
1 changed files with 5 additions and 0 deletions
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5
pkg/flags/flag.go
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@ -153,6 +153,11 @@ func URLsFromFlag(fs *flag.FlagSet, urlsFlagName string) []url.URL {
return []url.URL(*fs.Lookup(urlsFlagName).Value.(*URLsValue))
}
// StringSliceFromFlag returns a string slice from the flag.
func StringSliceFromFlag(fs *flag.FlagSet, flagName string) []string {
return []string(*fs.Lookup(flagName).Value.(*StringSlice))
}
func IsSet(fs *flag.FlagSet, name string) bool {
set := false
fs.Visit(func(f *flag.Flag) {