unwrapOrForMaybe
Return input as T if the passed input is not null and undefined.
Otherwise, return defaultValue.
- defaultValue must not be
Maybe<*>. - If the defaultValue is
nullorundefined, throwTypeError.
function unwrapOrForMaybe<T>(input: Maybe<T>, defaultValue: NotNullOrUndefined<T>): NotNullOrUndefined<T>;