Module: Sortable::ClassMethods

Defined in:
lib/sortable.rb

Instance Method Summary collapse

Instance Method Details

#sortable(*sorters) ⇒ Object 



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# File 'lib/sortable.rb', line 9

def sortable(*sorters)
  define_method :"<=>", lambda { |other|
    comp = 0
    sorters.each do |sorter|
      comp = if sorter.respond_to?(:call)
        sorter.call(self) <=> sorter.call(other)
      else
        self.send(sorter) <=> other.send(sorter)
      end

      break if comp != 0
    end
    comp
  }
end