{ inputs.nixpkgs.url = "nixpkgs"; inputs.flake-utils.url = "github:numtide/flake-utils"; outputs = inputs: (inputs.flake-utils.lib.eachDefaultSystem (system: let pkgs = inputs.nixpkgs.legacyPackages.${system}; in { devShells.default = pkgs.mkShell { packages = with pkgs; [ gdb gcc15 valgrind strace llvmPackages_17.clang-tools bear tree-sitter ]; }; } )); }