Method bind

returns/io.py:130–148

Applies 'function' to the result of a previous calculation. 'function' should accept a single "normal" (non-container) argument and return ``IO`` type object. .. code:: python >>> def bindable(string: str) -> IO[str]: ... return IO(string

(
        self,
        function: Callable[[_ValueType_co], Kind1['IO', _NewValueType]],
    )

        return self.map(dekind(container)._inner_value)  # noqa: SLF001

    def bind(
        self,
        function: Callable[[_ValueType_co], Kind1['IO', _NewValueType]],
    ) -> 'IO[_NewValueType]':
        """
        Applies 'function' to the result of a previous calculation.

        'function' should accept a single "normal" (non-container) argument
        and return ``IO`` type object.

        .. code:: python

          >>> def bindable(string: str) -> IO[str]:
          ...      return IO(string + 'b')

          >>> assert IO('a').bind(bindable) == IO('ab')

        """
        return dekind(function(self._inner_value))

    #: Alias for `bind` method. Part of the `IOLikeN` interface.
    bind_io = bind