func Boolean(in []byte, pos int) (int, error) {
	switch in[pos] {
	case 't':
		return expect(in, pos, t...)
	case 'f':
		return expect(in, pos, f...)
	default:
		return 0, errUnexpectedValue
	}
}
func Boolean(in []byte, pos int) (int, error) {
	switch in[pos] {
	case 't':
		return expect(in, pos, t...)
	case 'f':
		return expect(in, pos, f...)
	default:
		return 0, errUnexpectedValue
	}
}
func Boolean ( in [ ] byte , pos int ) ( int , error ) { switch in [ pos ] { case 't' : return expect ( in , pos , t ... ) case 'f' : return expect ( in , pos , f ... ) default : return 0 , errUnexpectedValue } }
// Boolean matches a boolean at the specified position
Boolean matches a boolean at the specified position