Control.Computation
class Computation p
mapFst
mapSnd
precomp
postcomp
uncurry
inFst
inSnd
outFst
outSnd
map1
map2
map3
map4
in1
in2
in3
in4
out1
out2
out3
out4
construct
destruct
(+:+)
(-:-)
type Pure
class Link l
class Connected p q
up
down