Use class method to create object : Factory « Design Patterns « Ruby

1. Ruby
2. Design Patterns
3. Factory

Use class method to create object

class Shape
  def initialize(num_sides, perimeter)
  end
  def Shape.triangle(side_length)
    Shape.new(3, side_length*3)
  end
  def Shape.square(side_length)
    Shape.new(4, side_length*4)
  end
end

 

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