{ mkDerivation, base, semigroupoids, stdenv }: mkDerivation { pname = "monad-products"; version = "4.0.1"; sha256 = "deadbeef"; libraryHaskellDepends = [ base semigroupoids ]; homepage = "http://github.com/ekmett/monad-products"; description = "Monad products"; license = stdenv.lib.licenses.bsd3; }