Add Foldable, Traversable instances for Uniq(D)FM
I often find the need for these instances.
I hid the nondeterministic one behind a new NonDet
wrapper, which is probably a bit controversial. Hence discuss :)
I often find the need for these instances.
I hid the nondeterministic one behind a new NonDet
wrapper, which is probably a bit controversial. Hence discuss :)