This video goes through making form input helpers for a Phoenix app.

Did you know you could use Elixir Maps and Lists in your Ecto schemas? Have you ever tried making an edit form for a collection type? You can use the phx.gen.html generators but you’ll get an error if you try to update the field. Let’s make an input_array helper and fix that!

We’ll do that today, starting from the basic Phoenix app from last time.