Keep only values which satisfy a predicate
Keep only values which satisfy a predicate
a new FutureEither
Keep only values which satisfy a predicate, with a default value
Keep only values which satisfy a predicate, with a default value
a new FutureEither
Returns the result of applying f to this FutureEither if this FutureEither is not empty
Returns the result of applying f to this FutureEither if this FutureEither is not empty
a new FutureEither
Returns the result of applying f to this FutureEither if this FutureEither is not empty
Returns the result of applying f to this FutureEither if this FutureEither is not empty
a new FutureEither
Keep only values which satisfy a predicate
Keep only values which satisfy a predicate
a new FutureEither