According to this question you can't change what a reference refers to. Likewise the C++ Primer 5th Edition states
Once we have defined a reference, there is no way to make that reference refer to a different object. When we use
According to this question you can't change what a reference refers to. Likewise the C++ Primer 5th Edition states
Once we have defined a reference, there is no way to make that reference refer to a different object. When we use a reference, we always get the object to which the reference was initially bound.
However the following code compiles and prints the value 4 which looks to me like the reference was changed?? Please elaborate if this is or is not so.
int a = 2; int b = 4; int &ref = a; ref = b; cout << ref;