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module Core_over_functor
(Functor : Preface_specs.FUNCTOR)
(Req : Preface_specs.Alt.WITH_COMBINE) =
struct
include Functor
include Req
end
module Core (Req : Preface_specs.Alt.WITH_COMBINE_AND_MAP) = Req
module Times_and_reduce_nel (Core : Preface_specs.Alt.WITH_COMBINE) = struct
let times_nel n x = Preface_core.Monoid.times_nel Core.combine n x
let reduce_nel list = Preface_core.Monoid.reduce_nel Core.combine list
end
module Infix_combine (Core : Preface_specs.Alt.WITH_COMBINE) = struct
let ( <|> ) = Core.combine
end
module Operation (Core : Preface_specs.Alt.CORE) = struct
include Functor.Operation (Core)
include Times_and_reduce_nel (Core)
end
module Infix
(Core : Preface_specs.Alt.CORE)
(Operation : Preface_specs.Alt.OPERATION with type 'a t = 'a Core.t) =
struct
include Functor.Infix (Core) (Operation)
include Infix_combine (Core)
end
module Via
(Core : Preface_specs.Alt.CORE)
(Operation : Preface_specs.Alt.OPERATION)
(Infix : Preface_specs.Alt.INFIX) =
struct
include Core
include Operation
module Infix = Infix
include Infix
end
module Via_map_and_combine (Req : Preface_specs.Alt.WITH_COMBINE_AND_MAP) =
struct
module Core = Core (Req)
include Core
module Operation = Operation (Core)
module Infix = Infix (Core) (Operation)
include Operation
include Infix
end
module Over_functor
(Functor : Preface_specs.FUNCTOR)
(Combine : Preface_specs.Alt.WITH_COMBINE) =
struct
include Functor
include Combine
include Times_and_reduce_nel (Combine)
module Infix = struct
include Functor.Infix
include Infix_combine (Combine)
end
include Infix
end
module Composition (F : Preface_specs.ALT) (G : Preface_specs.FUNCTOR) =
Over_functor
(Functor.Composition (F) (G))
(struct
type 'a t = 'a G.t F.t
let combine x y = F.combine x y
end)
module Product (F : Preface_specs.ALT) (G : Preface_specs.ALT) =
Over_functor
(Functor.Product (F) (G))
(struct
type 'a t = 'a F.t * 'a G.t
let combine (x1, y1) (x2, y2) = (F.combine x1 x2, G.combine y1 y2)
end)