Why Copy Constructor Take Argument As Reference?

Why Copy Constructor Take Argument As Reference?

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C++ : Why is the argument of the copy constructor a reference rather than a pointer?
C++ : Why is the argument of the copy constructor a reference rather than a pointer?
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C++ : Why is the argument of the copy constructor a reference rather than a pointer?

C++ : Why is the argument of the copy constructor a reference rather than a pointer?
Copy constructor :When it gets called - C++ Interview Question

Copy constructor :When it gets called - C++ Interview Question
Copy Constructor in C++ | why const and reference(&) ?

Copy Constructor in C++ | why const and reference(&) ?
C++ : Why is the copy-constructor argument const?

C++ : Why is the copy-constructor argument const?
C++ : Why we have to use a reference in argument of copy constructor instead of a pointer?

C++ : Why we have to use a reference in argument of copy constructor instead of a pointer?
P.2 what is copy constructor,passing object as parameter to function in c++ with real world examples

P.2 what is copy constructor,passing object as parameter to function in c++ with real world examples
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COPY CONSTRUCTOR IN C++ ( 33)
C++ : Why is copy constructor not allowed pass by value?

C++ : Why is copy constructor not allowed pass by value?
Copy constructor Meaning

Copy constructor Meaning
Understanding the Practical Differences Between Copy Constructor and Assignment Operator in C++

Understanding the Practical Differences Between Copy Constructor and Assignment Operator in C++
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Why We Must Return Reference In Copy Assignment Operator?
A _________ takes a reference to an object of the same class as itself as an argument.

A _________ takes a reference to an object of the same class as itself as an argument.
C++ : Why should the copy constructor accept its parameter by reference in C++?

C++ : Why should the copy constructor accept its parameter by reference in C++?
copy con and obj passed as reference

copy con and obj passed as reference
C++ : why copy constructor is called when passing temporary by const reference?

C++ : why copy constructor is called when passing temporary by const reference?
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C++ class copy constructor [3]