module Comp: functor (T1 : BatOrd.Comp) -> functor (T2 : BatOrd.Comp) -> functor (T3 : BatOrd.Comp) -> functor (T4 : BatOrd.Comp) -> Comp with type t = T1.t * T2.t * T3.t * T4.t
functor (
T1
:
BatOrd.Comp
) ->
T2
T3
T4
Comp
with type t = T1.t * T2.t * T3.t * T4.t