ocamlPackages.mstruct: init at 1.3.3

Mstruct is a thin mutable layer on top of cstruct

Homepage: https://github.com/mirage/ocaml-mstruct

pkgs/development/ocaml-modules/mstruct/default.nix

@@ -0,0 +1,33 @@
+{ stdenv, fetchFromGitHub, ocaml, findlib, jbuilder, opam
+, cstruct
+}:
+
+if !stdenv.lib.versionAtLeast ocaml.version "4.02"
+then throw "mstruct is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation rec {
+	version = "1.3.3";
+	name = "ocaml${ocaml.version}-mstruct-${version}";
+
+	src = fetchFromGitHub {
+		owner = "mirage";
+		repo = "ocaml-mstruct";
+		rev = "v${version}";
+		sha256 = "1rxjzkg6156vl6yazbk1h0ndqj80wym5aliaapijf60apqqmsp4s";
+	};
+
+	buildInputs = [ ocaml findlib jbuilder opam ];
+
+	propagatedBuildInputs = [ cstruct ];
+
+	inherit (jbuilder) installPhase;
+
+	meta = {
+		description = "A thin mutable layer on top of cstruct";
+		license = stdenv.lib.licenses.isc;
+		maintainers = [ stdenv.lib.maintainers.vbgl ];
+		inherit (src.meta) homepage;
+		inherit (ocaml.meta) platforms;
+	};
+}

pkgs/top-level/ocaml-packages.nix

@@ -316,6 +316,8 @@ let
 
     mparser =  callPackage ../development/ocaml-modules/mparser { };
 
+    mstruct =  callPackage ../development/ocaml-modules/mstruct { };
+
     mtime =  callPackage ../development/ocaml-modules/mtime { };
 
     nocrypto =  callPackage ../development/ocaml-modules/nocrypto {