Apply a function that returns a Result value, with the initial value as the default (equivalent to f x |> Result.withDefault x). Note that the type returned in an Ok result must match the type of the initial value.

Given a 2-tuple of Result values, if both values are Ok, return an Ok result containing the 2-tuple of values; otherwise, return an Err value.

result2Tuple "ERROR" (Ok 1, Ok 2)       --> Ok (1,2)
result2Tuple "ERROR" (Ok 1, Err "..")   --> Err "ERROR"

Given a 3-tuple of Result values, if all three values are Ok, return an Ok result containing the 3-tuple of values; otherwise, return an Err value.

Given a 4-tuple of Result values, if all three values are Ok, return an Ok result containing the 4-tuple of values; otherwise, return an Err value.

Given a list of Result values, if all values are Ok, return an Ok result containing the list of values; otherwise, return an error message. When passed an empty list, returns Ok [].

Toolkit.Result.zipList "ERROR" [Ok 1, Ok 2]       --> Ok [1,2]
Toolkit.Result.zipList "ERROR" [Ok 1, Err ".."]   --> Err "ERROR"
Toolkit.Result.zipList "ERROR" []                 --> Ok []

Given a list of Result values, return a list containing only the success values.

Toolkit.Result.filter [ Ok 1, Ok 2, Err ".." ]   --> [1, 2]