From: "David A. Black" <dblack@...>
Date: 2008-12-01T16:53:56+09:00
Subject: Re: Enumerable#select used to return actual values

Hi --

On Mon, 1 Dec 2008, Yukihiro Matsumoto wrote:

> Hi,
>
> In message "Re: Enumerable#select used to return actual values"
>    on Sun, 30 Nov 2008 19:47:13 +0900, "David A. Black" <dblack@rubypal.com> writes:
>
> |(0..10).each_with_object([]) {|e,a| a << (e * e) if e > 5 }
> |
> |Basically inject with a sticky accumulator.
>
> #each_with_object is an interesting concept.  Maybe we can add it to
> the Enumerable if we can come up with a better name.

But it's in Enumerable already, in 1.9.

>> RUBY_DESCRIPTION
=> "ruby 1.9.0 (2008-11-12 revision 20227) [i386-darwin9.5.0]"
>> Enumerable.instance_methods(false).grep(/object/)
=> [:each_with_object]


David

-- 
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