This is great! The first argument should be a list though, as seen here: https://github.com/thmzlt/elixir/blob/f55f4d4a4e97155177a4256e0d9744d527447590/lib/iex/lib/iex/helpers.ex#L159

This will check the function name in those three places, allowing one to ask the docs for the new operator &. For example, you could add a test for `h "&"` to verify it!