{ reflex-platform ? import ./reflex-platform {} }: let inherit (reflex-platform.nixpkgs.haskell) lib; ghc = reflex-platform.ghc.override { overrides = self: super: { vty = self.callHackage "vty" "5.28" {}; ansi-terminal = self.callHackage "ansi-terminal" "0.10.3" {}; ansi-wl-pprint = self.callHackage "ansi-wl-pprint" "0.6.9" {}; test-framework = lib.doJailbreak super.test-framework; }; }; in { reflex-vty = ghc.callCabal2nix "reflex-vty" ./. {}; }