StaticfallbackStaticflipAllows to optionally convert an input successful result into a
failed result with the same data, and vice-versa.
StaticmapStatictapAllows for the execution of side effects upon a successful or failed result.
OptionalonSuccess: Empty | UnaryFn<SuccessType<T>>OptionalonFailure: Empty | UnaryFn<FailureType<T>>StatictransformMaps a result to their data, with optional
remaps for data upon a successful and/or failed result.
OptionalonSuccess: Empty | UnaryFn<SuccessType<T>, U>OptionalonFailure: Empty | UnaryFn<FailureType<T>, V>
For an input of a result or
null, the returning function returns the result if notnull, or a successful result ofvalueifnull.