Method parse_expression

parser/src/parser/parser.rs:2002–2025

https://docs.python.org/3/reference/expressions.html#conditional-expressions

(&mut self)

    // https://docs.python.org/3/reference/expressions.html#conditional-expressions
    fn parse_expression(&mut self) -> Result<Expression, ParsingError> {
        let node = self.start_node();
        // This is a hack to make this function parse  () as tuple
        if self.at(Kind::LeftParen) && matches!(self.peek_kind(), Ok(Kind::RightParen)) {
            self.bump_any();
            self.bump_any();
            return Ok(Expression::Tuple(Box::new(Tuple {
                node: self.finish_node(node),
                elements: vec![],
            })));
        }
        if self.eat(Kind::Lambda) {
            let params_list = self.parse_parameters(true).expect("lambda params");
            self.expect(Kind::Colon)?;
            let expr = self.parse_expression()?;

            return Ok(Expression::Lambda(Box::new(Lambda {
                node: self.finish_node(node),
                args: params_list,
                body: expr,
            })));
        }
        self.parse_conditional_expression()
    }

    // https://docs.python.org/3/reference/expressions.html#boolean-operations
    fn parse_or_test(&mut self) -> Result<Expression, ParsingError> {