Method UnreadRune

query/expr/scanner.go:405–408

UnreadRune pushes the previously read rune back onto the buffer. This is a wrapper function to implement the io.RuneScanner interface.

()

// UnreadRune pushes the previously read rune back onto the buffer.
// This is a wrapper function to implement the io.RuneScanner interface.
func (r *reader) UnreadRune() error {
	r.unread()
	return nil
}

// read reads the next rune from the reader.
func (r *reader) read() (ch rune, pos Pos) {