unikernel/duniverse/ocaml-caqti/caqti/lib-template/shims.fallback.mli

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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.
+ *)
+
+(** Compatibility shims.
+
+    This is the fallback implementation providing replacements for recent
+    additions to the standard library. *)
+
+module Type : sig
+  type (_, _) eq = Equal : ('a, 'a) eq
+  (** Type equality witness.  This will eventually be replaced by the equavalent
+      definition available in [Stdlib.Type] since OCaml 5.1, but for now, we
+      must keep backwards compatibility with older compilers. *)
+end