Method read

parse/scan.go:63–72

read returns the next unicode character. It returns eof at the end of the string buffer.

()

// read returns the next unicode character. It returns eof at
// the end of the string buffer.
func (s *scanner) read() rune {
	if s.pos >= len(s.buf) {
		s.width = 0
		return eof
	}
	r, w := utf8.DecodeRuneInString(s.buf[s.pos:])
	s.width = w
	s.pos += s.width
	return r
}

func (s *scanner) unread() {
	s.pos -= s.width