Over_functor_via_branch.Req
type ('a, 'index) t = ('a, 'index) Functor.t
The type held by the Indexed Selective.
Indexed Selective
val branch : (('a, 'b) Stdlib.Either.t, 'index) t -> ('a -> 'c, 'index) t -> ('b -> 'c, 'index) t -> ('c, 'index) t
branch is like select. It chooses between two effects.
branch
select
val pure : 'a -> ('a, 'index) t
Create a new t.
t