nixpkgs/pkgs/development/ocaml-modules/psq/default.nix

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{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg }:
if !stdenv.lib.versionAtLeast ocaml.version "4.02"
then throw "psq is not available for OCaml ${ocaml.version}"
else
stdenv.mkDerivation rec {
name = "ocaml${ocaml.version}-psq-${version}";
version = "0.1.0";
src = fetchurl {
url = "https://github.com/pqwy/psq/releases/download/v${version}/psq-${version}.tbz";
sha256 = "08ghgdivbjrxnaqc3hsb69mr9s2ql5ds0fb97b7z6zimzqibz6lp";
};
buildInputs = [ ocaml findlib ocamlbuild topkg ];
inherit (topkg) buildPhase installPhase;
meta = {
description = "Functional Priority Search Queues for OCaml";
homepage = "https://github.com/pqwy/psq";
maintainers = [ stdenv.lib.maintainers.vbgl ];
license = stdenv.lib.licenses.isc;
inherit (ocaml.meta) platforms;
};
}