Method peekRune

query/expr/parser.go:187–194

peekRune returns the next rune that would be read by the scanner.

()

// peekRune returns the next rune that would be read by the scanner.
func (p *Parser) peekRune() rune {
	r, _, _ := p.s.s.r.ReadRune()
	if r != eof {
		_ = p.s.s.r.UnreadRune()
	}

	return r
}

// parseOptionalTokenAndInt parses the specified token followed
// by an int, if it exists.