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Commit 58230ac

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introduction of operator overloading
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  • Learn_CPP_Programming_Deep_Dive/Section 12 Operator Overloading/Intro_to_operator_overloading

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#include <iostream>
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using namespace std;
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class Complex
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{
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public:
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int real;
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int imaginary;
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Complex(int r = 0, int i = 0) : real(r), imaginary(i) //here i am using member initialization lists instead of body assignation
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{
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cout<<"Parameterized constructor appelead to here -> real part "<<this->real<<" imaginary part "<<this->imaginary<<endl;;
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}
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/* when defining overloaded operator we offer a new functionality to an operator so that it fits new user defined data types */
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Complex add(Complex c)
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{
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Complex temp;
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temp.real = real + c.real;
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temp.imaginary = imaginary + c.imaginary;
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return temp;
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}
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/* By replacing the names of the functions to "operator+", "operator-" whatsoever we achieve operator overloading */
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Complex operator+(Complex c)
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{
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Complex temp;
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temp.real = real + c.real;
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temp.imaginary = imaginary + c.imaginary;
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return temp;
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}
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~Complex()
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{
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cout<<"This is the destructor of this class"<<endl;
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}
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};
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int main(void)
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{
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Complex c1(1953,1954), c2(1977,1978), c3,c4;
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c3 = c1.add(c2);
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c4 = c1 + c2;
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cout<<"C3 ="<<c3.real<<"+ i* "<<c3.imaginary<<endl;
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cout<<"C4 ="<<c4.real<<"+ i* "<<c4.imaginary<<endl;
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return 0;
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}

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