chore: upgrade qcheck to 0.91, fix deprecation warnings

- small_list -> list_small
- bytes_of_size -> bytes_size
- small_nat -> nat_small
- prefix unused Frame_type constants with underscore

dune-project

@@ -28,7 +28,7 @@
     (logs :with-test)
     (conf-libcurl :with-test)
     (ptime :with-test)
-    (qcheck-core (and (>= 0.9) :with-test))))
+    (qcheck-core (and (>= 0.91) :with-test))))
 
 (package
   (name tiny_httpd_camlzip)

src/ws/tiny_httpd_ws.ml

@@ -26,11 +26,11 @@ type handler = unit Request.t -> IO.Input.t -> IO.Output.t -> unit
 module Frame_type = struct
   type t = int
 
-  let continuation : t = 0
-  let text : t = 1
+  let _continuation : t = 0
+  let _text : t = 1
   let binary : t = 2
-  let close : t = 8
-  let ping : t = 9
+  let _close : t = 8
+  let _ping : t = 9
   let pong : t = 10
 
   let show = function
@@ -132,7 +132,7 @@ module Writer = struct
     ()
 
   (** Max fragment size: send 16 kB at a time *)
-  let max_fragment_size = 16 * 1024
+  let _max_fragment_size = 16 * 1024
 
   let[@inline never] really_output_buf_ (self : t) =
     self.header.fin <- true;

tests/unit/t_util.ml

@@ -40,7 +40,7 @@ let () = assert_eq (Ok [ "foo", "bar" ]) (U.parse_query "yolo#foo=bar")
 let () =
   add_qcheck
   @@ QCheck.Test.make ~name:__LOC__ ~long_factor:20 ~count:1_000
-       Q.(small_list (pair string string))
+       Q.(list_small (pair string string))
        (fun l ->
          List.iter
            (fun (a, b) ->

tests/unit/ws/t_ws_q.ml

@@ -14,9 +14,9 @@ let () =
   @@ QCheck.Test.make ~count:10_000
        Q.(
          triple
-           (bytes_of_size (Gen.return 4))
-           (option small_nat)
-           (bytes_of_size Gen.(0 -- 6000))
+           (bytes_size (Gen.return 4))
+           (option nat_small)
+           (bytes_size Gen.(0 -- 6000))
          (* |> Q.add_stat ("b.size", fun (_k, b) -> Bytes.length b) *)
          |> Q.add_shrink_invariant (fun (k, _, _) -> Bytes.length k = 4))
        (fun (key, mask_offset, b) ->

tiny_httpd.opam

@@ -22,7 +22,7 @@ depends: [
   "logs" {with-test}
   "conf-libcurl" {with-test}
   "ptime" {with-test}
-  "qcheck-core" {>= "0.9" & with-test}
+  "qcheck-core" {>= "0.91" & with-test}
 ]
 depopts: [
   "logs"