type flag.Value

7 uses

	flag (current package)
		flag.go#L151: 	Value
		flag.go#L360: type Value interface {
		flag.go#L370: 	Value
		flag.go#L411: 	Value    Value  // value as set
		flag.go#L560: 	return value == z.Interface().(Value).String(), nil
		flag.go#L1010: func (f *FlagSet) Var(value Value, name string, usage string) {
		flag.go#L1045: func Var(value Value, name string, usage string) {