Module: Nestable

Included in:
Commit, Request
Defined in:
lib/mixins/nestable.rb

Instance Method Summary collapse

Instance Method Details

#nests(mapping) ⇒ Object 



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# File 'lib/mixins/nestable.rb', line 3

def nests(mapping)
  # Setup an accessor for all nested instances.
  attr_accessor *mapping.keys

  # Create a nested instance automatically on initialize.
  define_method(:initialize) do |arguments = nil|
    mapping.each do |attribute, klass|
      self.instance_variable_set "@#{attribute}".to_sym, klass.new
    end
    super arguments if arguments
  end
end