{cabal}:

cabal.mkDerivation (self : {
  pname = "utf8-string";
  version = "0.3.5";
  sha256 = "41f99b3e9f61ab5309c93f98d45f1ba2e475a8504c5202a350720c27fb82d07a";
  meta = {
    description = "A UTF8 layer for IO and Strings";
  };
})