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Programming > C++ Moderated > Reference Membe...
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Reference Member variables

by smawsk <sk.smawsk@[EMAIL PROTECTED] > Mar 28, 2008 at 11:09 AM

Hi,

I am writing a sample program to use a reference member variable. But
I was surprised to know that the below piece of code is not working as
I expected.
Can some one let me know what's wrong with this code?

class X
{
public:
	X(int x) : ref(x)
	{

	}
	void Display() const
	{

		cout<<ref<<endl;
	}

private:
	int& ref;
};

int main()
{
	int c = 10;
	X  x(c);
	x.Display();	// This function does not print 10. Instead some junk
value

	return 0;
}

Why So? Am I missing some basic point regarding the working of
References here?

Thanks in advance....

Warm Regards.

-- 
      [ See http://www.gotw.ca/resources/clcm.htm
for info about ]
      [ comp.lang.c++.moderated.    First time posters: Do this! ]
 




 13 Posts in Topic:
Reference Member variables
smawsk <sk.smawsk@[EMA  2008-03-28 11:09:20 
Re: Reference Member variables
Michael Aaron Safyan <  2008-03-29 05:03:02 
Re: Reference Member variables
Tom <newsgroups423@[EM  2008-03-29 05:04:14 
Re: Reference Member variables
Mateusz Adamczyk <mate  2008-03-29 05:14:22 
Re: Reference Member variables
Matthew Gilbert <voxme  2008-03-29 05:13:47 
Re: Reference Member variables
david@[EMAIL PROTECTED]   2008-03-29 08:14:29 
Re: Reference Member variables
Oncaphillis <oncaphill  2008-03-29 13:44:37 
Re: Reference Member variables
Ron Natalie <ron@[EMAI  2008-03-29 13:47:39 
Re: Reference Member variables
todma <toddmarshall200  2008-03-29 15:43:03 
Re: Reference Member variables
acehreli@[EMAIL PROTECTED  2008-03-29 15:43:02 
Re: Reference Member variables
Thomas Maeder <maeder@  2008-03-29 15:43:03 
Re: Reference Member variables
red floyd <no.spam@[EM  2008-03-30 08:45:03 
Re: Reference Member variables
d04rp@[EMAIL PROTECTED]   2008-03-30 09:43:02 

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tan12V112 Mon Oct 13 3:58:25 CDT 2008.