I was trying to explain this the other day. So, naturally, I made a video. 😄

How do we coordinate a message that runs through a GenServer’s handle_call/3 and handle_info/2 in a way that makes it seem synchronous from the caller’s perspective?

The secret: GenServer.reply/2

Check out this short video! 👇

https://www.elixirstreams.com/tips/sync-the-async-within-a-genserver