Exts.Maybe

Extensions to the core Maybe library.

isJust : Maybe a -> Bool

Boolean checks.

isNothing : Maybe a -> Bool

maybe : b -> (a -> b) -> Maybe a -> b

Apply a function to a value, returning the default if the value is Nothing.

mappend : Maybe a -> Maybe b -> Maybe ( a, b )

Join two Maybes together as though they were one.

catMaybes : List (Maybe a) -> List a

Extract all the Just values from a List of Maybes.

join : (a -> b -> c) -> Maybe a -> Maybe b -> Maybe c

Join together two Maybe values using the supplied function. If either value is Nothing, the result is Nothing.

krisajenkins/elm-exts/20.0.0