From: Kristof Bastiaensen <kristof@...>
Date: 2004-04-09T18:44:21+09:00
Subject: Re: new method(?) collect_by

On Fri, 09 Apr 2004 05:03:18 +0200, George Ogata wrote:

> You might be interested in enumerator.rb in the std lib:
> 
> irb(main):001:0> require 'enumerator' => true irb(main):002:0> 'a
> string'.enum_for(:each_byte).map{|x| x} => [97, 32, 115, 116, 114, 105,
> 110, 103] irb(main):003:0> 'a string'.enum_for(:each_byte).max => 116
> irb(main):004:0> 'a string'.enum_for(:each_byte).inject{|x,y| x+y} =>
> 792
> 
> etc.

Hi,

yes that does exactly what I wanted.  I knew it should exist,
but couldn't find it.
I am still using ruby 1.6, so it must be part of 1.8.

Thanks, 
Kristof