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What is the signature of the assignment operator in C++, if chain of assignments need to be performed for an object of class test?
Atest & operator = (const test&);
Bvoid & operator =(const test&);
Ctest & operator = ();
Dvoid & operator = (const test);
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test & operator = (const test&) { ... }
This is the standard way to overload assignment operator in c++ by reference.
Then, t1 = t2 = t3 (t1, t2 and t3 are instances of class test ) calls above assignement operator twice.
in other hand, returning void will prevent users from 'assignment chaining' i.e t1 = t2 = t3.
This is the standard way to overload assignment operator in c++ by reference.
Then, t1 = t2 = t3 (t1, t2 and t3 are instances of class test ) calls above assignement operator twice.
in other hand, returning void will prevent users from 'assignment chaining' i.e t1 = t2 = t3.
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