Message_cache.Topic
type t = Topic.t
include Mavryk_base.TzPervasives.COMPARABLE with type t := t
include Mavryk_base.TzPervasives.PRINTABLE with type t := t
val pp : Stdlib.Format.formatter -> t -> unit
module Set : Mavryk_base.TzPervasives.Set.S with type elt = t
module Map : Mavryk_base.TzPervasives.Map.S with type key = t