Comments on: Handy Ruby Gem: andand http://www.chriskite.com/2009/04/08/handy-ruby-gem-andand/ Programming, Computer Security, Etc. Tue, 11 May 2010 18:22:22 -0600 http://wordpress.org/?v=2.8.4 hourly 1 By: Sam Livingston-Gray http://www.chriskite.com/2009/04/08/handy-ruby-gem-andand/comment-page-1/#comment-4 Sam Livingston-Gray Mon, 13 Apr 2009 23:15:03 +0000 http://www.chriskite.com/?p=32#comment-4 Also check out Reg's "Ick" gem (<a href="http://ick.rubyforge.org" rel="nofollow">ick.rubyforge.org</a>). The "maybe" method it contains works similarly to "andand" (but reads better, IMO), and there's another version that takes a block -- which is very useful if you find yourself writing something like: something.andand.spam.andand.eggs.andand.bacon Admittedly, sometimes the above can indicate a violation of the law of Demeter... but sometimes it really is what you want to do. Also check out Reg’s “Ick” gem (ick.rubyforge.org). The “maybe” method it contains works similarly to “andand” (but reads better, IMO), and there’s another version that takes a block — which is very useful if you find yourself writing something like:

something.andand.spam.andand.eggs.andand.bacon

Admittedly, sometimes the above can indicate a violation of the law of Demeter… but sometimes it really is what you want to do.

]]> By: Bensoussan Michael http://www.chriskite.com/2009/04/08/handy-ruby-gem-andand/comment-page-1/#comment-3 Bensoussan Michael Mon, 13 Apr 2009 15:32:32 +0000 http://www.chriskite.com/?p=32#comment-3 With the last rails version you can do : @phone = Location.try(find(:first, ...elided... )).try(phone) http://ryandaigle.com/articles/2008/11/20/what-s-new-in-edge-rails-object-try With the last rails version you can do :

@phone = Location.try(find(:first, …elided… )).try(phone)

http://ryandaigle.com/articles/2008/11/20/what-s-new-in-edge-rails-object-try

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