If they are in Nixpkgs they will likely work in a repl. Nixpkgs search: https://search.nixos.org/packages https://search.nixos.org/packages Piet: https://searc

If they are in Nixpkgs they will likely work in a repl. Nixpkgs search: https://search.nixos.org/packages https://search.nixos.org/packages Piet: https://search.nixos.org/packages?channel=unstable&show=haskellPackages.piet&from=0&size=50&sort=relevance&query=piet https://search.nixos.org/packages?channel=unstable&show=hask...