{ inputs = { nixpkgs.url = "nixpkgs"; utils.url = "github:numtide/flake-utils"; rust-overlay.url = "github:oxalica/rust-overlay"; }; outputs = { self, nixpkgs, utils, rust-overlay }: utils.lib.eachDefaultSystem (system: let overlays = [ (import rust-overlay) ]; pkgs = (import nixpkgs) { inherit system overlays; }; in { devShell = with pkgs; mkShell { nativeBuildInputs = [ # This sets up the rust suite, automatically selecting the latest nightly version (rust-bin.selectLatestNightlyWith (toolchain: toolchain.default.override { extensions = [ "rust-src" "clippy" "rust-analyzer" ]; })) ]; }; } ); }