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C++ Fundamentals for Professionals

User-Defined Data Types

Explore how to overload the input and output operators in C++ to make user-defined data types behave like built-in types. Understand the rules for operator overloading, including stream references and friend access, to efficiently handle data input and output.

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If we overload the input and output operators, our 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 output operators, we have to keep a few rules in mind:

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