úΞ. Safe-Inferred3When the predicate is true, return maybe the action's return value.  Safe-InferredA map for Either values. &Maybe get the left side of an Either. 'Maybe get the right side of an Either. Is a value Left? Is a value Right? %Extract the left value or a default. &Extract the right value or a default.   data-extra-1.0.0Data.Maybe.ExtraData.Either.Extra whenMaybe mapEither leftToMaybe rightToMaybeisLeftisRightfromLeft fromRight