{ lib, callPackage, mkCoqDerivation, coq, coq-ext-lib, version ? null }:

with lib; mkCoqDerivation {
  pname = "simple-io";
  owner = "Lysxia";
  repo = "coq-simple-io";
  inherit version;
  defaultVersion = with versions; switch coq.coq-version [
    { case = range "8.11" "8.16"; out = "1.7.0"; }
    { case = range "8.7"  "8.13"; out = "1.3.0"; }
  ] null;
  release."1.7.0".sha256 = "sha256:1a1q9x2abx71hqvjdai3n12jxzd49mhf3nqqh3ya2ssl2lj609ci";
  release."1.3.0".sha256 = "1yp7ca36jyl9kz35ghxig45x6cd0bny2bpmy058359p94wc617ax";
  mlPlugin = true;
  nativeBuildInputs = [ coq.ocamlPackages.cppo ];
  propagatedBuildInputs = [ coq-ext-lib ]
  ++ (with coq.ocamlPackages; [ ocaml findlib ocamlbuild ]);

  doCheck = true;
  checkTarget = "test";

  passthru.tests.HelloWorld = callPackage ./test.nix {};

  meta = {
    description = "Purely functional IO for Coq";
    license = licenses.mit;
    maintainers = [ maintainers.vbgl ];
  };
}