From: ara.t.howard@...
Date: 2006-10-05T23:30:07+09:00
Subject: Re: traits question


itsme213 wrote:
> Why does traits use an instance variable to indicate that a value has been
> set? Why not use a sentinel value (e.g. some object private to traits
> itself)?
>
> Thanks.

the main reason:

module Traits
  PER_OBJECT_SENTINELS = Hash.new
  ...
end

memory_leak = lambda do
  obj = Object.new
  obj.trait 'setting_would_update_sentinel'
  obj.setting_would_update_sentinel = 'we have to be careful when obj
is destroyed...'
end

regards.

btw - this message shows up in google groups, but not via mailing
list... am i the only one who noticed?

-a