From: "David A. Black" <dblack@...>
Date: 2009-09-14T12:11:25+09:00
Subject: Re: [1,2,3].map.with_object(3){|v|v+3} #=> 3 Is this a bug?

Hi --

On Mon, 14 Sep 2009, ErMaker wrote:

> At ruby 1.9.2dev (2009-07-18 trunk 24186) [i386-mswin32_90]
>
> Ruby runs like this.
>
>>> [1,2,3].map.with_object(3){|v|v+3}
> => 3
>>> [1,2,3].each.with_object(3).map{|v|v+3}
> => [4, 5, 6]
>
>
> I think that is better to use.
>
>>> [1,2,3].map.with_object(3){|v|v+3}
> => [4, 5, 6]
>
> Is it a bug?

I don't think so. with_object always returns its argument, or an
enumerator, as far as I know. But I'm not 100% sure I'm understanding
what part you think might be a bug.


David

-- 
David A. Black, Director
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Book: The Well-Grounded Rubyist (http://www.manning.com/black2)