[erlang-questions] Why have a supervisor behaviour?

[Roger Lipscombe]

On 21 May 2015 at 15:56, Vance Shipley <vances@REDACTED> wrote:
> Return {ok, State, Timeout) from your gen_server:init/1 callback. Continue
> initialization after the timeout in your handle_info/2 handler.

I need delayed _restart_. Is this what Jesper refers to when he talks
about "a delay_manager"? Such that init queries that and then
might/might not delay?