{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs";
  };
  outputs = inputs:
    let
      inherit (inputs) nixpkgs;
      systems = [ "x86_64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs systems;
      nixpkgsFor = forAllSystems (system: import nixpkgs {
        inherit system;
      });
    in
    {
      devShells = forAllSystems (system:
        let pkgs = nixpkgsFor.${system};
        in
        {
          default = pkgs.mkShell {
            packages = [
              pkgs.rustc
              pkgs.rust-analyzer
              pkgs.cargo
            ];
          };
        });
    };
}