Method from_io

returns/future.py:1324–1345

Creates ``FutureResult`` from successful ``IO`` value. .. code:: python >>> import anyio >>> from returns.io import IO, IOSuccess >>> from returns.future import FutureResult >>> async def main(): ... assert await FutureResult.

(
        cls,
        inner_value: IO[_NewValueType],
    )

    @classmethod
    def from_io(
        cls,
        inner_value: IO[_NewValueType],
    ) -> 'FutureResult[_NewValueType, Any]':
        """
        Creates ``FutureResult`` from successful ``IO`` value.

        .. code:: python

          >>> import anyio
          >>> from returns.io import IO, IOSuccess
          >>> from returns.future import FutureResult

          >>> async def main():
          ...     assert await FutureResult.from_io(
          ...         IO(1),
          ...     ) == IOSuccess(1)

          >>> anyio.run(main)

        """
        return FutureResult.from_value(inner_value._inner_value)  # noqa: SLF001

    @classmethod
    def from_failed_io(