Via_id_and_compose.Req
type ('a, 'b) t
The type held by the Category.
Category
include Preface_specs.Category.WITH_ID with type ('a, 'b) t := ('a, 'b) t
val id : ('a, 'a) t
The identity morphism.
include Preface_specs.Semigroupoid.WITH_COMPOSE with type ('a, 'b) t := ('a, 'b) t
val compose : ('b, 'c) t -> ('a, 'b) t -> ('a, 'c) t
Morphism composition (from right to left).