func (v *formatterValue) doc() string {
	choices := make([]string, len(v.formatters))
	i := 0
	for name := range v.formatters {
		choices[i] = name
		i++
	}
	sort.Strings(choices)
	return "Specify output format (" + strings.Join(choices, "|") + ")"
}
// doc returns documentation for the --format flag.
doc returns documentation for the --format flag.
// doc returns documentation for the -- format flag .
func (v *formatterValue) doc() string {
	choices := make([]string, len(v.formatters))
	i := 0
	for name := range v.formatters {
		choices[i] = name
		i++
	}
	sort.Strings(choices)
	return "Specify output format (" + strings.Join(choices, "|") + ")"
}
func ( v * formatterValue ) doc ( ) string { choices := make ( [ ] string , len ( v . formatters ) ) i := 0 for name := range v . formatters { choices [ i ] = name i ++ } sort . Strings ( choices ) return " " + strings . Join ( choices , " " ) + " " }
doc returns documentation for the --format flag.
doc returns documentation for the -- format flag .