Source code for returns._generated.pointfree.bind_result
def _bind_result(function):
"""
Composes successful container with a function that returns a container.
In other words, it modifies the function's
signature from: ``a -> Result[b, c]``
to: ``Container[a, c] -> Container[b, c]``
.. code:: python
>>> from returns.io import IOSuccess
>>> from returns.context import RequiresContextResult
>>> from returns.result import Result, Success
>>> from returns.pointfree import bind_result
>>> def returns_result(arg: int) -> Result[int, str]:
... return Success(arg + 1)
>>> bound = bind_result(returns_result)
>>> assert bound(IOSuccess(1)) == IOSuccess(2)
>>> assert bound(RequiresContextResult.from_value(1))(...) == Success(2)
"""
return lambda container: container.bind_result(function)