From: Tim Hunter <TimHunter@...>
Date: 2008-04-13T04:05:47+09:00
Subject: Re: Instance Variable On-Change

Philipp Hofmann wrote:
> On Sun, Apr 13, 2008 at 02:17:37AM +0900, Tim Hunter wrote:
>> Ryan Lewis wrote:
>>> I need to make a way to run a method when class' instance variable
>>> changes from false to true and only run it once. But I have no idea how
>>> to do this.
>>>
>>> Any ideas?
>> Check out the observer library.
>>
>>
> 
> why bother with observer if this can be nicely achieved with an
> appropriate setter? something like ...
> 

Good catch! I confess I assumed that the OP would not have asked if a 
plain setter method would do the trick.


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