Hello Friends,
In the C++ programming language, a reference is a simple reference datatype that is less powerful but safer than the pointer type inherited from C. The name C++ reference may cause confusion, as in computer science a reference is a general concept datatype, with pointers and C++ references being specific reference datatype implementations.
ex:
int A = 5;
int& rA = A;
extern int& rB;
int& foo ();
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