Given a 2-tuple of Maybe values, if both values are defined, return Just the 2-tuple of values; otherwise, return Nothing

(Just 1, Just 2)
  |> Toolkit.Maybe.zip


--> Just (1,2)


(Just 1, Nothing)
  |> Toolkit.Maybe.zip


--> Nothing

Given a 3-tuple of Maybe values, if all three values are defined, return Just the 3-tuple of values; otherwise, return Nothing

Given a 4-tuple of Maybe values, if all four values are defined, return Just the 4-tuple of values; otherwise, return Nothing

Given a list of Maybe values, if all values are defined, return Just the list of values; otherwise, return Nothing. When passed an empty list, returns Just an empty list.

[Just 1, Just 2]
  |> Toolkit.Maybe.zipList


--> Just [1,2]


[Just 1, Nothing]
  |> Toolkit.Maybe.zipList


--> Nothing


[]
  |> Toolkit.Maybe.zipList


--> Just []

Given a list of Maybe values, return a list containing only the defined values.

[ Just 1
, Just 2
, Nothing
]
  |> Toolkit.Maybe.filter


--> [1, 2]