From: Marnen Laibow-Koser <marnen@...>
Date: 2009-11-24T00:46:02+09:00
Subject: Re: More on psuedo arrays; Better way?

Ralph Shnelvar wrote:
> BC> Marnen Laibow-Koser wrote:
>>>> Is there a better way to do this?  
>>> 
>>> x.send("x#{rand(i % N_X_METHODS)]".to_sym))
> 
> BC> And you don't need to_sym either.
> 
> This x.send() will be executed a million times.
> 
> Doesn't that have a fairly high overhead?  Won't a million symbols be
> generated?  In my case ... with the m array, only 20 symbols would be
> generated.
> 
> Does it matter?
> 
> Is it possible to run out of symbols?

Do you know the difference between symbols and strings?  A million 
strings may be generated (and quickly GC'd), but only 20 symbols will.

What are you trying to do here, anyway?  I strongly suspect that there's 
a better approach thanyour pseudoarray.  If you can describe the use 
case, I'll see what comes to mind.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
-- 
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