1. Adding a Sum Operator


    from Brett L. Schuchert Added 1,123 1 0

    This video demonstrates adding a new operator, sum. This new sum operator takes all values off the stack, adds them up and then replaces the sum on the stack. Along the way, I come across a problem in the BinaryMathOperator class, which I have to fix first.

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    • Extracting to strategy


      from Brett L. Schuchert Added 2,027 3 0

      Continuing in our effort to remove duplication, we now introduce the strategy pattern.

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      • Removing Duplication and the Ocp


        from Brett L. Schuchert Added 2,016 5 5

        This video starts the process of removing duplication. The first step along the way is to first get the API under control.

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        • Adding Basic Operators to the RpnCalcualtor


          from Brett L. Schuchert Added 2,720 9 2

          This video follows RpnCalculator_GettingStarted. It simply descries adding three operators to the existing RpnCalculator class created in the previous video.

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