Class Block

mypy/nodes.py:1804–1820

class Block(Statement):
    __slots__ = ("body", "is_unreachable")

    __match_args__ = ("body", "is_unreachable")

    def __init__(self, body: list[Statement], *, is_unreachable: bool = False) -> None:
        super().__init__()
        self.body = body
        # True if we can determine that this block is not executed during semantic
        # analysis. For example, this applies to blocks that are protected by
        # something like "if PY3:" when using Python 2. However, some code is
        # only considered unreachable during type checking and this is not true
        # in those cases.
        self.is_unreachable = is_unreachable

    def accept(self, visitor: StatementVisitor[T]) -> T:
        return visitor.visit_block(self)


# Statements