Define operator for class : Operator « Class « Ruby

1. Ruby
2. Class
3. Operator

Define operator for class

class TriMatrix

  def initialize
    @store = []
  end

  def [](x,y)
    if x > y
      index = (x*x+x)/2 + y
      @store[index]
    else
      raise IndexError
    end
  end

  def []=(x,y,v)
    if x > y
      index = (x*x+x)/2 + y
      @store[index] = v
    else
      raise IndexError
    end
  end

end


t = TriMatrix.new

t[3,2] = 1
puts t[3,2]  # 1

 

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