From: Matthew Feadler <matthew@...>
Date: 2005-12-03T04:06:26+09:00
Subject: Re: Optimizing for Newbies

bbazzarrakk wrote:

>>   rolls = Array.new(2){Die.new(10).roll}
> 
> Nope.  The block is executed to create each element.
> 

This highlights exactly what I wasn't grasping about that line 
previously: the {} delimits a block.  I was (wrongly, of course) 
equating it to

  rolls = Array.new(2,Die.new)

Now I get it.  Thanks!

> 
> If you have Ruby's documentation installed just feed your command-line:
> 
>    ri Array.zip
> 
> Or you can look it up here:
> 
>    http://www.ruby-doc.org/core/classes/Array.html#M000391

Both excellent reference sources of which I was not aware.  Much 
appreciated.  Now the zip method makes perfect sense.

-Matthew


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