{ description = "Shell for 42 cpp"; inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; inputs.flake-utils.url = "github:numtide/flake-utils"; outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; }; in { devShells.default = pkgs.mkShell { name = "cpp-42"; buildInputs = with pkgs; [ clang clang-tools ]; shellHook = '' export CXX=clang++ export CC=clang ''; }; } ); }