Method parse_call_arguments

src/parser.rs:526–555

(&mut self)

    }

    fn parse_call_arguments(&mut self) -> Option<Vec<Expr>> {
        let mut args: Vec<Expr> = vec![];

        if self.peek_token(&Token::RightParen) {
            self.next_token();
            return Some(args);
        }

        self.next_token();
        match self.parse_expr(Precedence::Lowest) {
            Some(e) => args.push(e),
            None => return None,
        };

        while self.peek_token(&Token::Comma) {
            self.next_token();
            self.next_token();

            match self.parse_expr(Precedence::Lowest) {
                Some(e) => args.push(e),
                None => return None,
            };
        }

        if !self.expect_peek(Token::RightParen) {
            return None;
        }

        Some(args)
    }

    fn parse_index_expr(&mut self, left: Expr) -> Option<Expr> {
        self.next_token();