81   descend' _ U1 = U1  function
92   descend' f (K1 a) = K1 (f a)  function
103   descend' _ (K1 a) = K1 a  function
110   descend' f (M1 a) = M1 (descend' f a)  function
118   descend' f (L1 a) = L1 (descend' f a)  function
119   descend' f (R1 a) = R1 (descend' f a)  function
129   descend' f (a :*: b) = descend' f a :*: descend' f b  function
197   descend = descenddefault  function
278   descend _ = id  function
285   descend _ = id  function
292   descend _ = id  function
299   descend _ = id  function
306   descend _ = id  function
313   descend _ = id  function
322   descend _ = id  function
329   descend _ = id  function
336   descend _ = id  function
343   descend _ = id  function
350   descend _ = id  function
357   descend _ = id  function
366   descend _ = id  function
373   descend _ = id  function
384   descend _ []    = []  function
385   descend f (h:t) = h:f t  function