{ pkgs, config, ... }:

{
  pkgs,
  config,
  ...
}:

let
  nightly = true;
  extensions = [
    "rust-src"
    "rust-analyzer"
  ];
  targets = [
    "aarch64-apple-darwin"
    # "wasm32-wasi"
  ];
  overrideToolchain = t: t.default.override { inherit extensions targets; };
in

    (rust-bin.stable.latest.default.override {
      extensions = [
        "rust-src"
        "rust-analyzer"
      ];
      targets = [
        "aarch64-apple-darwin"
        # "wasm32-wasi"
      ];
    })

    (
      if nightly then
        (rust-bin.selectLatestNightlyWith overrideToolchain)
      else
        (overrideToolchain rust.bin.stable.latest)
    )