Created
April 1, 2017 14:13
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immutable
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var Calculator = function (n) { | |
this.number = n; | |
}; | |
Calculator.prototype.add = function (c) { | |
return new Calculator(this.number + c.number); | |
}; | |
Calculator.prototype.multiple = function (c) { | |
return new Calculator(this.number * c.number); | |
} | |
var a = new Calculator(4); | |
var b = new Calculator(2); | |
var c = new Calculator(0); | |
var result = a.add(c).multiple(b).add(a.multiple(b)).number; |
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