unikernel/duniverse/ocaml-caqti/caqti/testlib-blocking/testlib_blocking.ml

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+(* Copyright (C) 2021--2023  Petter A. Urkedal <paurkedal@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version, with the LGPL-3.0 Linking Exception.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * and the LGPL-3.0 Linking Exception along with this library.  If not, see
+ * <http://www.gnu.org/licenses/> and <https://spdx.org>, respectively.
+ *)
+
+module Fiber = struct
+  type 'a t = 'a
+  let return x = x
+  let catch f g = try f () with exn -> g exn
+  let fail = raise
+  module Infix = struct
+    let (>>=) x f = f x
+    let (>|=) x f = f x
+    let (>>=?) x f = match x with Ok x -> f x | Error _ as r -> r
+    let (>|=?) x f = match x with Ok x -> Ok (f x) | Error _ as r -> r
+  end
+end
+
+include Caqti_blocking
+
+module Alcotest_cli =
+  Testlib.Make_alcotest_cli
+    (Alcotest.Unix_platform)
+    (Alcotest_engine.Monad.Identity)
+
+module List_result_fiber = struct
+  open Fiber.Infix
+
+  let rec iter_s f = function
+   | [] -> Fiber.return (Ok ())
+   | x :: xs -> f x >>=? fun () -> iter_s f xs
+end