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Object being passed to a copy constructor __

Object being passed to a copy constructor __ Correct Answer Must be passed by value

A copy constructor is called when an object is passed by value. Copy constructor itself is a function. So if we pass an argument by value in a copy constructor, a call to copy constructor would be made to call copy constructor which becomes a non - terminating chain of calls.

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Object being passed to a copy constructor ___________
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Copy constructor is a constructor which ________________