At_most.Sinclude Sigs.Hash_foldable.S1 with type 'a t := 'a tval hash_fold_t : 'a Sigs.hashable -> 'a t Sigs.hashableinclude Sigs.Comparable.S1 with type 'a t := 'a tval compare : 'a Sigs.comparable -> 'a t Sigs.comparableval equal : 'a Sigs.equalable -> 'a t Sigs.equalableinclude Sigs.Jsonable.S1 with type 'a t := 'a tval to_yojson : 'a Sigs.jsonable -> 'a t Sigs.jsonableval of_yojson : 'a Sigs.maybe_json -> 'a t Sigs.maybe_json