ocamlPackages.integers: init at 0.2.2

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

@@ -0,0 +1,24 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg, opam }:
+
+stdenv.mkDerivation {
+	name = "ocaml${ocaml.version}-integers-0.2.2";
+
+	src = fetchurl {
+		url = https://github.com/ocamllabs/ocaml-integers/releases/download/v0.2.2/integers-0.2.2.tbz;
+		sha256 = "08b1ljw88ny3l0mdq6xmffjk8anfc77igryva5jz1p6f4f746ywk";
+	};
+
+	unpackCmd = "tar xjf $src";
+
+	buildInputs = [ ocaml findlib ocamlbuild topkg opam ];
+
+	inherit (topkg) buildPhase installPhase;
+
+	meta = {
+		description = "Various signed and unsigned integer types for OCaml";
+		license = stdenv.lib.licenses.mit;
+		homepage = https://github.com/ocamllabs/ocaml-integers;
+		maintainers = [ stdenv.lib.maintainers.vbgl ];
+		inherit (ocaml.meta) platforms;
+	};
+}