Method bind_ioresult

returns/future.py:934–965

Binds a function returning ``IOResult[a, b]`` container. .. code:: python >>> import anyio >>> from returns.io import IOResult, IOSuccess, IOFailure >>> from returns.future import FutureResult >>> def bind(inner_value: int) -> IOResult[int,

(
        self,
        function: Callable[
            [_ValueType_co], IOResult[_NewValueType, _ErrorType_co]
        ],
    )

        )

    def bind_ioresult(
        self,
        function: Callable[
            [_ValueType_co], IOResult[_NewValueType, _ErrorType_co]
        ],
    ) -> 'FutureResult[_NewValueType, _ErrorType_co]':
        """
        Binds a function returning ``IOResult[a, b]`` container.

        .. code:: python

          >>> import anyio
          >>> from returns.io import IOResult, IOSuccess, IOFailure
          >>> from returns.future import FutureResult

          >>> def bind(inner_value: int) -> IOResult[int, str]:
          ...     return IOSuccess(inner_value + 1)

          >>> assert anyio.run(
          ...     FutureResult.from_value(1).bind_ioresult(bind).awaitable,
          ... ) == IOSuccess(2)
          >>> assert anyio.run(
          ...     FutureResult.from_failure('a').bind_ioresult(bind).awaitable,
          ... ) == IOFailure('a')

        """
        return FutureResult(
            _future_result.async_bind_ioresult(
                function,
                self._inner_value,
            )
        )

    def bind_io(
        self,