Method apply

returns/context/requires_context.py:153–174

Calls a wrapped function in a container on this container. .. code:: python >>> from returns.context import RequiresContext >>> assert RequiresContext.from_value('a').apply( ... RequiresContext.from_value(lambda inner: inner + 'b') ... )(

(
        self,
        container: Kind2[
            RequiresContext,
            Callable[[_ReturnType_co], _NewReturnType],
            _EnvType_contra,
        ],
    )

        return RequiresContext(lambda deps: function(self(deps)))

    def apply(
        self,
        container: Kind2[
            RequiresContext,
            Callable[[_ReturnType_co], _NewReturnType],
            _EnvType_contra,
        ],
    ) -> RequiresContext[_NewReturnType, _EnvType_contra]:
        """
        Calls a wrapped function in a container on this container.

        .. code:: python

          >>> from returns.context import RequiresContext
          >>> assert RequiresContext.from_value('a').apply(
          ...    RequiresContext.from_value(lambda inner: inner + 'b')
          ... )(...) == 'ab'

        """
        return RequiresContext(
            lambda deps: self.map(dekind(container)(deps))(deps),
        )

    def bind(
        self,