switch-case.go

gistfile1.txt

	switch ch0 {
	case '|':
		s.r.inc()
		if s.r.peek() == '|' {
			s.r.inc()
			return oror
		}
		return '|'
	case '&':
		s.r.inc()
		switch s.r.peek() {
		case '&':
			s.r.inc()
			return andand
		case '^':
			s.r.inc()
			return andnot
		}
		return '|'
	case '<':
		s.r.inc()
		ch1 := s.r.inc()
		switch ch1 {
		case '=':
			s.r.inc()
			if s.r.peek() == '>' {
				s.r.inc()
				return '>'
			}
			return '='
		}
		return '<'
	case '!':
		s.r.inc()
		if s.r.peek() == '=' {
			s.r.inc()
			return neq
		}
		return '!'
		case '@':
		return s.startWithAt()
	case '/':
		return s.startWithSlash()
	case '-':
		return s.startWithDash()
	case '#':
		s.r.incAsLongAs(func(ch byte) bool {
			return ch != '\n'
		})
		return s.scan()
	}
	...以下省略几百行的switch-case
	...