That sounds like one of Saša Jurić's talks: GOTO 2019 • The Soul of Erlang and Elixir • Saša Jurić https://www.youtube.com/watch?v=JvBT4XBdoUE https://www.you

That sounds like one of Saša Jurić's talks: GOTO 2019 • The Soul of Erlang and Elixir • Saša Jurić https://www.youtube.com/watch?v=JvBT4XBdoUE https://www.youtube.com/watch?v=JvBT4XBdoUE https://elixirforum.com/uploads/default/original/2X/a/a2524cd7c485fc4d63c09c19f97821afb6343ec5.png https://elixirforum.com/uploads/default/original/2X/a/a2524c... (also from Saša Jurić's book)