Class MappingPattern

mypy/patterns.py:109–124

class MappingPattern(Pattern):
    keys: list[Expression]
    values: list[Pattern]
    rest: NameExpr | None

    def __init__(
        self, keys: list[Expression], values: list[Pattern], rest: NameExpr | None
    ) -> None:
        super().__init__()
        assert len(keys) == len(values)
        self.keys = keys
        self.values = values
        self.rest = rest

    def accept(self, visitor: PatternVisitor[T]) -> T:
        return visitor.visit_mapping_pattern(self)


class ClassPattern(Pattern):