{ description = "Rust development environment"; inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; rust-overlay.url = "github:oxalica/rust-overlay"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system: let overlays = [ (import rust-overlay) ]; pkgs = import nixpkgs { inherit system overlays; }; in with pkgs; { devShells.default = mkShell { buildInputs = [ (lib.hiPrio (rust-bin.stable.latest.minimal.override { extensions = [ "rust-docs" "clippy" "rust-analyzer" "rust-src" ]; })) (rust-bin.selectLatestNightlyWith (toolchain: toolchain.minimal.override { extensions = [ "rustfmt" ]; } )) pkgs.bashInteractive ]; }; } ); }