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What is an operator overloading?

April 26, 2017operator overloading

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What is an operator overloading?

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It allows you to provide an intuitive interface to users of your class. Operator overloading allows C/C++ operators to have user-defined meanings on user-defined types (classes). Overloaded operators are syntactic sugar for function calls: class Fred { public: // … }; #if 0 // Without operator overloading: Fred add(Fred, Fred); Fred mul(Fred, Fred); Fred f(Fred a, Fred b, Fred c) { return add(add(mul(a,b), mul(b,c)), mul(c,a)); // Yuk…