bap
Map.Provide_hash
module Key : Base.Hasher.S with type t := Key.t
val hash_fold_t : (Ppx_hash_lib.Std.Hash.state -> 'a -> Ppx_hash_lib.Std.Hash.state) -> Ppx_hash_lib.Std.Hash.state -> 'a t -> Ppx_hash_lib.Std.Hash.state