From: Aldric Giacomoni <aldric@...>
Date: 2009-12-05T05:37:41+09:00
Subject: Re: Finding an element in an array of hashes

Alex Stupakov wrote:
> Hi,
> 
> I have an array of Facebooker::User objects
> so friends.class => Array
> and friends[1].class => Facebooker::User
> 
> Facebooker::User are objects which are basically hashes.
> friends[1].facebook.id.class => Integer
> 
> I'd like to find the array member with a particular facebook_id.
> friends.find_by_id(12345) should return the corresponding
> Facebooker::User object
> 
> What's the cleanest way to do this?
> Do I have to iterate over the array members or is there a method in Ruby
> that does this?

"basically" hashes? That doesn't look like hash syntax to me..

friends.find { |friend| friend.facebook.id = 12345 }

http://ruby-doc.org/core/classes/Enumerable.html#M003122
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