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C++ Standard Library including C++ 14 & C++ 17

User-defined Data Types

We can also set our own preferences for the input and output operators.

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If you overload the input and output operators, your data type behaves like a built-in data type.

C++
friend std::istream& operator>> (std::istream& in, Fraction& frac);
friend std::ostream& operator<< (std::ostream& out, const Fraction& frac);

For overloading the input and ...