nixpkgs/pkgs/development/interpreters/elixir/1.8.nix

{ mkDerivation }:

mkDerivation rec {
  version = "1.8.1";
  sha256 = "1npnrkn21kqqfqrsn06mr78jxs6n5l8c935jpxvnmj7iysp50pf9";
  minimumOTPVersion = "20";
}