2 files changed, 21 insertions, 2 deletions
diff --git a/lib/models/permissions.ml b/lib/models/permissions.ml
index 1521a0e..2b217b8 100644
--- a/lib/models/permissions.ml
+++ b/lib/models/permissions.ml
@@ -28,13 +28,25 @@ type elt =
 | MANAGE_ROLES 
 | MANAGE_WEBHOOKS 
 | MANAGE_EMOJIS
+[@@deriving sexp]
 
 include BitMaskSet.Make(struct
     include BitMaskSet.Int
     type t = elt
-    let mask = 0b0111_1111_1111_1111_0111_1101_1111_1111
+    let mask = 0b0111_1111_1111_0111_1111_1101_1111_1111
 end)
 
+let sexp_of_t = Core.Int.sexp_of_t
+let t_of_sexp = Core.Int.t_of_sexp
+
+let of_yojson_exn j = create @@ Yojson.Safe.Util.to_int j
+
+let of_yojson j =
+    try Ok (of_yojson_exn j)
+    with Yojson.Safe.Util.Type_error (why,_) -> Error why
+
+let to_yojson t : Yojson.Safe.t = `Int t
+
 let of_seq seq = List.of_seq seq |> of_list
 
 let to_seq mask = elements mask |> List.to_seq
diff --git a/lib/models/permissions.mli b/lib/models/permissions.mli
index 74ed563..6e4d30a 100644
--- a/lib/models/permissions.mli
+++ b/lib/models/permissions.mli
@@ -28,7 +28,14 @@ type elt =
 | MANAGE_ROLES 
 | MANAGE_WEBHOOKS 
 | MANAGE_EMOJIS
+[@@deriving sexp]
 
 include BitMaskSet.S with type elt := elt
                      with type storage = int
-                     with type t = private int
-\ No newline at end of file
+                     with type t = private int
+
+val sexp_of_t : t -> Sexplib.Sexp.t
+val t_of_sexp : Sexplib.Sexp.t -> t
+val of_yojson_exn : Yojson.Safe.t -> t
+val of_yojson : Yojson.Safe.t -> (t, string) result
+val to_yojson : t -> Yojson.Safe.t
+\ No newline at end of file