{
  inputs = {
    nixpkgs.url = github:NixOS/nixpkgs/nixpkgs-unstable;
    flake-utils.url = github:numtide/flake-utils;
    rust-overlay.url = github:oxalica/rust-overlay;
  };

  outputs =
    { self
    , nixpkgs
    , flake-utils
    , rust-overlay
    }:
    flake-utils.lib.eachDefaultSystem (system:
    let
      overlays = [ (import rust-overlay) ];
      pkgs = import nixpkgs { inherit system overlays; };
    in
    {
      devShell = import ./nix/shell.nix { inherit pkgs; };
    });
}