User-defined Data Types
We can also set our own preferences for the input and output operators.
If you overload the input and output operators, your data type behaves like a built-in data type.
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friend std::istream& operator>> (std::istream& in, Fraction& frac);friend std::ostream& operator<< (std::ostream& out, const Fraction& frac);
For overloading the input and ...