From: Tom Sawyer <transami@...>
Date: 2002-07-13T21:53:32+09:00
Subject: Re: hey! where's #count?

indeed, i used select. i was just sort of surprised that #count wasn't
in Enumberable. #include? is there, as is #select --what you suggest to
use to do the count.

~transami

On Sat, 2002-07-13 at 06:05, MoonWolf wrote:
> > i went to count the number of equal objects in an array and discoverd
> > there was no #count. that was odd, i thought, there's one for string.
> > but then it occured to me, #count would be in Enumberable. but no. it is
> > not. hey! why not? 
> 
> use Enumerable#select
> 
>   obj.select {|item| item==str}.size
> 
> or
> 
>   count=0
>   obj.each {|item| count += 1 if item==str}
>   count
> 
> -- 
> MoonWolf <moonwolf@moonwolf.com>
> 
> 
> 
-- 
~transami

  __("<  berk! berk!
  \__/  
   ^^