# <shell.nix>
{ pkgs ? import <nixpkgs> {}}:
 
 let
   rust_overlay = import (builtins.fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz");
   pkgs = import <nixpkgs> { overlays = [ rust_overlay ]; };
   ruststable = (pkgs.rust-bin.stable.latest.default.override {
        extensions = [
          "rust-src"
        ];
    });
 in
 pkgs.mkShell {
   buildInputs = with pkgs; [
     ruststable
     rust-analyzer
   ];
 }