{ description = "bouncy"; inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; rust-overlay.url = "github:oxalica/rust-overlay"; flake-utils.url = "github:numtide/flake-utils"; flake-compat = { url = "github:edolstra/flake-compat"; flake = false; }; }; outputs = { self, nixpkgs, flake-utils, rust-overlay, flake-compat }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; overlays = [rust-overlay.overlay ]; }; in { devShell = pkgs.mkShell { nativeBuildInputs = [ pkgs.rust-bin.stable.latest.default ]; }; } ); }