Define operator for class : Operator « Class « Ruby

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Ruby » Class » 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   Related examples in the same category 1.  Define plus operator

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