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Result

Result

Bases: Generic[V, E], ABC

Result is a monad.

Source code in funclift/types/result.py 
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class Result(Generic[V, E], ABC):
    """Result is a monad."""

    @abstractmethod
    def pure(self, a: A) -> Result[A, E]: ...

    @abstractmethod
    def fmap(self, f: Callable[[A], Result[B, E]]) -> Result[B, E]: ...

    @abstractmethod
    def flatmap(self, f: Callable[[A], Result[B, E]]) -> Result[B, E]: ...