From: Giuseppe Bilotta <bilotta78@...>
Date: 2002-08-24T17:00:11+09:00
Subject: Re: equivalent of python's __debug__

David Garamond wrote:
> Shirai,Kaoru wrote:
> >>if __debug__:
> >>     print "there are %d eggs in the basket now." % (eggs)
> >>will be optimized away.
> >>is there similar thing in ruby? or do i have to use a preprocessor?
> > 
> >  Interpreter switch '-d' and $DEBUG may help you. This may be good for
> > tiny script, but running large application with -d switch is often so
> > verbose. I recommands you to use some logger library.
> 
> sorry for the late response. my problem is, i want to insert lots of 
> string literals (sort of embedded documentation, but will be read by 
> other scripts) which i don't want to include in the optimized version. 
> in python, if i do this:
> 
> def foo(self, x, y):
>      if __debug__:
>          self.__doc__x = "...some longish string..."
>          self.__doc__y = "...some also longish string..."
>          self.__doc_spec1__ = "...yet another string..."
>          ...
>      ...
> 
> then the debug portion along with the literals will be removed so they 
> don't take up memory. i don't seem to be able to do this with ruby, 
> except by using a preprocessor.

I'm a newbie and I still haven't read any serious book, just been 
browsing code --I've code prefixed with a D that appeared to be debug 
code, so maybe you'd do

D self.__doc__x ....
D self.__doc__y ....
.....

and then ruby -d yourscript.rb

-- 
Giuseppe "Oblomov" Bilotta

Axiom I of the Giuseppe Bilotta
theory of IT:
Anything is better than MS