{
  description = "jftt";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    systems.url = "github:nix-systems/default";
    fenix = {
      url = "github:nix-community/fenix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.rust-analyzer-src.follows = "";
    };
  };

  outputs = { nixpkgs, systems, fenix, ... }: let
    name = "jftt";

    forEachSystem = nixpkgs.lib.genAttrs (import systems);
    pkgsForEach = nixpkgs.legacyPackages;
  in {
    devShells = forEachSystem (
      system: let
        pkgs = pkgsForEach.${system};
      in {
        default = pkgs.mkShell {
          inherit name;

          packages = with pkgs; [
            rust-analyzer
            (fenix.packages.${system}.complete.withComponents [
              "cargo"
              "rustc"
              "rust-src"
            ])
            flex
          ];
        };
      }
    );
  };
}