ruby.design.patterns

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Some of the patterns are built in Ruby library, like Singleton so we can simply use it like that:

require 'singleton'

class QueenMotherBee
   include Singleton
end

qbee1 = QueenMotherBee.instance
qbee2 = QueenMotherBee.instance

print qbee1, " = ", qbee2, "n"

Singleton is a module :.. some info about using modules.

There are some interesting resources on web about patterns in Ruby, like Object-Oriented Design Libraries or Example Design Patterns In Ruby in Ruby Garden.

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Filed under Ruby/Rails, programming