IO.ANSI.enabled-question-mark

You're seeing just the function enabled-question-mark, go back to IO.ANSI module for more information.

Specs

enabled?() :: boolean()

Checks if ANSI coloring is supported and enabled on this machine.

This function simply reads the configuration value for :ansi_enabled in the :elixir application. The value is by default false unless Elixir can detect during startup that both stdout and stderr are terminals.