unikernel/duniverse/ocaml-caqti/caqti/lib-platform/connection_utils.mli

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+(* Copyright (C) 2019--2020  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.
+ *)
+
+(** Internal connection-related utilities. *)
+
+module Make_helpers : functor (Sys : System_sig.S) -> sig
+  open Sys
+
+  val assert_single_use :
+    what: string -> bool ref -> (unit -> 'a Fiber.t) -> 'a Fiber.t
+end
+
+module Make_convenience :
+  functor (Sys : System_sig.S) ->
+  functor (_ : Caqti_connection_sig.Base
+                with type 'a fiber := 'a Sys.Fiber.t
+                 and type ('a, 'err) stream := ('a, 'err) Sys.Stream.t) ->
+  Caqti_connection_sig.Convenience with type 'a fiber := 'a Sys.Fiber.t
+
+module Make_populate :
+  functor (Sys : System_sig.S) ->
+  functor (_ : Caqti_connection_sig.Base
+                with type 'a fiber := 'a Sys.Fiber.t
+                 and type ('a, 'err) stream := ('a, 'err) Sys.Stream.t) ->
+  Caqti_connection_sig.Populate
+    with type 'a fiber := 'a Sys.Fiber.t
+     and type ('a, 'err) stream := ('a, 'err) Sys.Stream.t