Created
January 22, 2014 21:30
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Stateful Calculator
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| class StatefulCalculator | |
| def initialize | |
| @total = 0 | |
| end | |
| def add(x) | |
| @total += x | |
| self | |
| end | |
| def div(x) | |
| @total /= x | |
| self | |
| end | |
| def result | |
| @total | |
| end | |
| end |
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