Method parse_subscript

parser/src/parser/parser.rs:2423–2439

(
        &mut self,
        node: Node,
        value: Expression,
    )

    }

    fn parse_subscript(
        &mut self,
        node: Node,
        value: Expression,
    ) -> Result<Expression, ParsingError> {
        let mut expr = Ok(value);
        // To handle cases like a[1][2]...
        while self.eat(Kind::LeftBrace) {
            let slice = self.parse_slices()?;
            expr = Ok(Expression::Subscript(Box::new(Subscript {
                node: self.finish_node(node),
                value: expr?,
                slice,
            })));
        }
        expr
    }

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