Class SetElement

mypyc/ir/ops.py:1753–1782

Set the value of a struct element. This evaluates to a new struct with the changed value. Use together with Undef to initialize a fresh struct value (see Undef for more details).

@final
class SetElement(RegisterOp):
    """Set the value of a struct element.

    This evaluates to a new struct with the changed value.

    Use together with Undef to initialize a fresh struct value
    (see Undef for more details).
    """

    error_kind = ERR_NEVER

    def __init__(self, src: Value, field: str, item: Value, line: int = -1) -> None:
        super().__init__(line)
        assert isinstance(src.type, (RStruct, RVec)), src.type
        self.type = src.type
        self.src = src
        self.item = item
        self.field = field

    def sources(self) -> list[Value]:
        return [self.src]

    def set_sources(self, new: list[Value]) -> None:
        (self.src,) = new

    def stolen(self) -> list[Value]:
        return [self.src]

    def accept(self, visitor: OpVisitor[T]) -> T:
        return visitor.visit_set_element(self)


@final