{ lib, buildDunePackage, ocaml, fetchurl, alcotest }: buildDunePackage rec { pname = "duration"; version = "0.2.1"; duneVersion = "3"; src = fetchurl { url = "https://github.com/hannesm/duration/releases/download/v${version}/duration-${version}.tbz"; hash = "sha256-xzjB84z7mYIMEhzT3fgZ3ksiKPDVDqy9HMPOmefHHis="; }; doCheck = lib.versionAtLeast ocaml.version "4.08"; checkInputs = [ alcotest ]; meta = { homepage = "https://github.com/hannesm/duration"; description = "Conversions to various time units"; license = lib.licenses.isc; maintainers = [ lib.maintainers.vbgl ]; }; }