What is the "tooling" (https://www.filepicker.io/api/file/exQlE8JZQ2O2DaLm6cEA) specifically called?
(edit: it is ":observer.start()" from inside iex (elixir repl) http://blog.plataformatec.com.br/2015/06/elixir-in-times-of-...)
(edit: it is ":observer.start()" from inside iex (elixir repl) http://blog.plataformatec.com.br/2015/06/elixir-in-times-of-...)