Method parse_unary_expression

crates/ruff_python_parser/src/parser/expression.rs:1191–1207

Parses a unary expression. This includes the unary arithmetic `+` and `-`, bitwise `~`, and the boolean `not` operators. # Panics If the parser isn't positioned at any of the unary operators. See:

(
        &mut self,
        op: UnaryOp,
        context: ExpressionContext,
    )

    ///
    /// See: <https://docs.python.org/3/reference/expressions.html#unary-arithmetic-and-bitwise-operations>
    pub(super) fn parse_unary_expression(
        &mut self,
        op: UnaryOp,
        context: ExpressionContext,
    ) -> ast::ExprUnaryOp {
        let start = self.node_start();
        self.bump(TokenKind::from(op));

        let operand = self.parse_binary_expression_or_higher(OperatorPrecedence::from(op), context);

        ast::ExprUnaryOp {
            op,
            operand: Box::new(operand.expr),
            range: self.node_range(start),
            node_index: AtomicNodeIndex::NONE,
        }
    }

    /// Parses an attribute expression.
    ///