unikernel/duniverse/ocaml-caqti/benchmarks/common.ml

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+(* Copyright (C) 2024  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 type PLATFORM = sig
+  type context
+  module Fiber : sig
+    type +'a t
+    module Infix : sig
+      val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
+      val (>|=) : 'a t -> ('a -> 'b) -> 'b t
+    end
+  end
+  val name : string
+  val run_fiber : (unit -> 'a Fiber.t) -> 'a
+  val run_main : (context -> 'a) -> 'a
+  val or_fail : ('a, [< Caqti_error.t]) result -> 'a Fiber.t
+
+  module Stream : Caqti_stream_sig.S with type 'a fiber := 'a Fiber.t
+
+  module type CONNECTION = Caqti_connection_sig.S
+    with type 'a fiber := 'a Fiber.t
+     and type ('a, 'err) stream := ('a, 'err) Stream.t
+
+  type connection = (module CONNECTION)
+
+  val connect :
+    ?config: Caqti_connect_config.t -> context -> Uri.t ->
+    (connection, [> Caqti_error.load_or_connect]) result Fiber.t
+end