{ lib, mkCoqDerivation, coq, version ? null }:

mkCoqDerivation {
  pname = "StructTact";
  owner = "uwplse";
  inherit version;
  defaultVersion = with lib.versions; lib.switch coq.coq-version [
    { case = range "8.9" "8.20"; out = "20230107"; }
    { case = range "8.6" "8.16"; out = "20210328"; }
    { case = range "8.5" "8.13"; out = "20181102"; }
  ] null;
  release."20230107".rev =    "2f2ff253be29bb09f36cab96d036419b18a95b00";
  release."20230107".sha256 = "sha256-4mWdnWD8m1ddgqWHqzjqclhinXJaB/YoLlmLeeL0yZA=";
  release."20210328".rev =    "179bd5312e9d8b63fc3f4071c628cddfc496d741";
  release."20210328".sha256 = "sha256:1y5r1zm3hli10ah6lnj7n8hxad6rb6rgldd0g7m2fjibzvwqzhdg";
  release."20181102".rev =    "82a85b7ec07e71fa6b30cfc05f6a7bfb09ef2510";
  release."20181102".sha256 = "08zry20flgj7qq37xk32kzmg4fg6d4wi9m7pf9aph8fd3j2a0b5v";
}