libmachine/state/state.go
func (s State) String() string {
	if int(s) >= 0 && int(s) < len(states) {
		return states[s]
	}
	return ""
}
func (s State) String() string {
	if int(s) >= 0 && int(s) < len(states) {
		return states[s]
	}
	return ""
}
// Given a State type, returns its string representation