{ inputs = { cargo2nix.url = "github:cargo2nix/cargo2nix/release-0.11.0"; flake-utils.follows = "cargo2nix/flake-utils"; nixpkgs.follows = "cargo2nix/nixpkgs"; rust-overlay.url = "github:oxalica/rust-overlay"; }; outputs = inputs: with inputs; flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { inherit system; overlays = [ cargo2nix.overlays.default (import rust-overlay) ]; }; rustVersion = pkgs.rust-bin.stable.latest.default; rustPlatform = pkgs.makeRustPlatform { cargo = rustVersion; rustc = rustVersion; }; rustPkgs = pkgs.rustBuilder.makePackageSet { rustVersion = "1.64.0"; rustChannel = "stable"; packageFun = import ./Cargo.nix; }; in { devShells = { default = rustPkgs.workspaceShell { nativeBuildInputs = with pkgs; [ pkg-config ]; }; }; }); }