{ mkDerivation, attoparsec, base, bytestring, containers , data-default-class, fetchurl, lens-family, parsec, pretty, text , transformers, void }: mkDerivation { pname = "proto-lens"; version = "0.2.2.0"; src = fetchurl { url = "http://example.org/"; sha256 = "abc"; }; libraryHaskellDepends = [ attoparsec base bytestring containers data-default-class lens-family parsec pretty text transformers void ]; homepage = "https://github.com/google/proto-lens"; description = "A lens-based implementation of protocol buffers in Haskell"; license = stdenv.lib.licenses.bsd3; }