Cart Products index_by

gistfile1.rb

1.9.2p318 :119 > c.products.index_by(&:id)
#=> 
{
    3 => #<Product:0x007fbc222615c0> {
                         :id => 3,
                       :name => "Racecar",
                :description => "VRRRRRRRRRMMMMMMM",
             :price_in_cents => 2065,
                     :active => 1,
              :inactive_date => nil,
                 :created_at => Sat, 07 Apr 2012 15:36:10 UTC +00:00,
                 :updated_at => Sat, 07 Apr 2012 15:36:10 UTC +00:00,
           :avatar_file_name => nil,
        :avatar_content_type => nil,
           :avatar_file_size => nil,
          :avatar_updated_at => nil
    },
    1 => #<Product:0x007fbc2225fe00> {
                         :id => 1,
                       :name => "Apple",
                :description => "Yummy wormy apple",
             :price_in_cents => 100,
                     :active => 1,
              :inactive_date => nil,
                 :created_at => Sat, 07 Apr 2012 15:36:09 UTC +00:00,
                 :updated_at => Sat, 07 Apr 2012 15:36:09 UTC +00:00,
           :avatar_file_name => nil,
        :avatar_content_type => nil,
           :avatar_file_size => nil,
          :avatar_updated_at => nil
    },
    2 => #<Product:0x007fbc222603f0> {
                         :id => 2,
                       :name => "Bananas",
                :description => "Why do gorillas always eat me?",
             :price_in_cents => 275,
                     :active => 1,
              :inactive_date => nil,
                 :created_at => Sat, 07 Apr 2012 15:36:10 UTC +00:00,
                 :updated_at => Sat, 07 Apr 2012 15:36:10 UTC +00:00,
           :avatar_file_name => nil,
        :avatar_content_type => nil,
           :avatar_file_size => nil,
          :avatar_updated_at => nil
    }
}

What an amazing gist.