Key : Core_kernel__.Import.Hasher.S with type t := Key.t
type 'a t
include sig ... end
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