From: Eric Hodel <drbrain@...7.net>
Date: 2007-10-03T16:45:40+09:00
Subject: Re: hook, or override const_set, and const_get

On Oct 2, 2007, at 18:05 , John Pywtorak wrote:
> Eric Hodel wrote:
>> On Oct 2, 2007, at 14:43 , John Pywtorak wrote:
>>> I have seen some examples of hooking into const_missing;  
>>> Howerver, I can't seem to find anything on const_set, and  
>>> const_get, any ideas?
>>>
>>> I tried opening class Module, ex.
>>>
>>> class Module
>>>   def const_set(cname, cval)
>>>     ....
>>>   end
>>> end
>>>
>>> Does not work.  I realize this is very dangerous.  Is there any  
>>> other way to intercept when, ex
>>>
>>> FOO="bar"
>>>
>>> happens?
>> a) Edit variable.c
>> b) Run your code through a ruby2ruby subclass that wraps up your  
>> const assignments with extra code.
>
> Thanks Eric.  Option a makes me think I am taking the wrong  
> approach. Option b looks more attractive.  Well at least I know I  
> was not missing something easier.

Both options are pure evil and guaranteed to cause you pain.

What is your ultimate goal?

--
Poor workers blame their tools. Good workers build better tools. The
best workers get their tools to do the work for them. -- Syndicate Wars