Function number

parser/lexer/state.go:72–78

(l *Lexer)

}

func number(l *Lexer) stateFn {
	if !l.scanNumber() {
		return l.error("bad number syntax: %q", l.word())
	}
	l.emit(Number)
	return root
}

func (l *Lexer) scanNumber() bool {
	digits := "0123456789_"