From: Wojciech Kaczmarek <schatten@...>
Date: 2003-10-10T01:24:39+09:00
Subject: Re: 'each' returning array

On Fri, 28 Feb 2003 06:39:45 +0900, nobu.nokada@softhome.net wrote:
>
>> Is there a way to transparently accumulate expresions evaluated within
>> a block into an array, without introducing an external variable? For
>> example, I'd like to write something like this:
>> 
>> "HAL".each_byte__returning_array {|x| (x+1).chr} .collect # more processing
>

Finally I've written a 5-lines long mixin, ..

> Enumerator in "rough".
> 
>   require "enumerator"
>   "HAL".enum_for(:each_byte).collect {|x| (x+1).chr} # => ["I", "B", "M"]

...but this module is great, nice that it's going to be included in
ruby distro. Thanks!

-- 
This is not a healthy way of thinking.
(Emacs Psychiatrist)