From: "F. Senault" <fred@...>
Date: 2007-07-19T21:55:02+09:00
Subject: Re: array sort_by with nil elements

Le 19 juillet � 14:32, Robert Klemme a �crit :

> This does not work.
> 
> irb(main):003:0> [nil].sort_by {|it| it.send(:length) || 0}

>> [nil, "aaaaaaa", "aaa", "a" ].sort_by {|it| (it && it.send(:length)) || 0}
=> [nil, "a", "aaa", "aaaaaaa"]

(Or even without the parenthesis.)

Fred
-- 
An ASCII character walks into a bar and orders a double. 'Having a bad
day?' asks the barman. 'Yeah, I have a parity error,' replies the ASCII
character.  The barman says, 'Yeah, I thought you looked a bit off.' 
                                                 (Kirrily 'Skud' Robert)