From: Trans <transfire@...>
Date: 2006-10-06T00:15:13+09:00
Subject: Re: traits question


ara.t.howard@gmail.com wrote:
> 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?

Hmm... was it posted via comp.lang.ruby or ruby-talk-google?

T.