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How to return a reference in c ?

Anonymous User 2132 14 Jun 2013
Hi Expert,

How to return a reference in c++?

Thanks in advance. 
visual c++ visual c++
Updated 15 Jun 2013
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1 Answers

AVADHESH PATEL
AVADHESH PATEL 15 Jun 2013
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A function can return a reference.Returning a reference can be very useful when you are overloading certain types of operators.
However,it also can be employed to allow a function to be  used on the left side of an assignment statement.

e.g.

int &f( )//return a reference
int x;
int main( )
{
f( )=100; //assigning 100 to reference returned by f()
cout<< x <<"\n";
return 0;
}
//return an int reference.
int &f()
{
return x;  //return a reference to x
}
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