A structure which lifts both type parameters on P.
P
All instances of bifunctor f mist satisfy the following laws:
f
f.biMap(id)(id)
id
g
h
i
f.biMap(compose(f)(g))(compose(h)(i))
compose(f.biMap(f)(h))(f.biMap(g)(i))
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A structure which lifts both type parameters on
P.All instances of bifunctor
fmist satisfy the following laws:f.biMap(id)(id)equals toid,f,g,handi;f.biMap(compose(f)(g))(compose(h)(i))equals tocompose(f.biMap(f)(h))(f.biMap(g)(i)).