Method parse_expr_list

src/parser.rs:330–360

(&mut self, end: Token)

    

    fn parse_expr_list(&mut self, end: Token) -> Option<Vec<Expr>> {
        let mut list = vec![];
        if self.peek_token(&end) {
            self.next_token();
            return Some(list);
        }

        self.next_token();
        match self.parse_expr(Precedence::Lowest) {
            Some(a) => list.push(a),
            None => return None,
        };
        while self.peek_token(&Token::Comma) {
            self.next_token();
            if self.peek_token(&Token::RightBracket) {
                break;
            }
            self.next_token();

            match self.parse_expr(Precedence::Lowest) {
                Some(expr) => list.push(expr),
                None => return None,
            }
        }

        if !self.expect_peek(end) {
            return None;
        }

        Some(list)
    }

    fn parse_ident(&mut self) -> Option<Expr> {
        match self.current_token {