From: Bulat Ziganshin <bulatz@...>
Date: 2002-10-25T21:18:41+09:00
Subject: Re: Things That Newcomers to Ruby Should Know (10/16/02)

Hello Gergely,

Friday, October 25, 2002, 3:09:16 PM, you wrote:

>>  b = a.map {|x| x * 2} .map {|x| x * 3}
KG> BTW, ONE or TWO intermediate objects?
KG> So, a.map {|x| x*2} must be created, but right after the assignment will
KG> this object be deleted?

ONE intermediate object and ONE assigned to b. this intermediate
object will be garbage coolected with all other ones. btw, seasoned ruby
programmers wrote:

a.map {|x| x * 2} .map! {|x| x * 3}

(replace second "map" to "map!").

-- 
Best regards,
 Bulat                            mailto:bulatz@integ.ru