{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    ghc-wasm-meta.url = "gitlab:haskell-wasm/ghc-wasm-meta?host=gitlab.haskell.org";

    flake-compat = {
      url = "github:NixOS/flake-compat";
      flake = false;
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      ghc-wasm-meta,
      ...
    }:
    let
      pkgs = import nixpkgs { system = "x86_64-linux"; };
    in
    {
      devShells.x86_64-linux.default = pkgs.callPackage ./shell.nix {
        wasm32-wasi-cabal = ghc-wasm-meta.packages.x86_64-linux.wasm32-wasi-cabal-9_12;
        wasm32-wasi-ghc = ghc-wasm-meta.packages.x86_64-linux.wasm32-wasi-ghc-9_12;
      };
    };
}