From: Ryan Davis <ryand-ruby@...>
Date: 2009-02-11T05:06:21+09:00
Subject: Re: a better way to do this job?


On Feb 10, 2009, at 04:21 , Julian Leviston wrote:

> First doesn't take an argument I'm ruby. It does
> If you're using rails enumerable mixin


David showed it in 1.9... but I had to point this out:

% ruby -ve 'puts [1,2,3,4].first(2)'
ruby 1.8.6 (2008-03-03 patchlevel 114) [universal-darwin9.0]
1
2

this goes back to at least 1.7 iirc. #first was introduced in 1.6 and  
1.7 gave it an optional length arg.