gistfile1.rb

# why are the objects different ! 

class Player < ActiveRecord::Base
  belongs_to :match
end

class Match < ActiveRecord::Base
  has_many :players
end
>> match = Match.first
=> #<Match id: 5 ... >

>> match.players[0]
=> #<Player id: 1 ... >

>> match.players[0].match == match
=> true

>> match.players[0].match.object_id == match.object_id
=> false

>> match.players[1].match == match
=> true

>> match.players[1].match.object_id == match.object_id
=> false

>> match.players[1].match.object_id == match.players[0].match.object_id
=> false