Re: Passing values to a class

From:
red floyd <no.spam@here.dude>
Newsgroups:
comp.lang.c++
Date:
Tue, 09 Oct 2007 13:14:17 -0700
Message-ID:
<CiROi.1044$wF3.857@nlpi061.nbdc.sbc.com>
Donos wrote:

Hello

I have a program as given in following,

class CCmdValue
{
  int a, b;
  void Put(int x, int y) { a = x; c = y;}
};


This class has no public methods, so you can't really do anything with
it other than default construct, copy construct, or assign it.

class CCmdData
{
   CCmdValue pValue;
   pValue->Put(10, 20);

This should give a compile-time error.

   CCmdModule pCmd;
   pCmd.NewValues(pValue);
};

class CCmdModule
{
   friend class CCmdModuleFactory;
   CCmdValue mValue;
};

class CCmdModuleFactory
{
   CCmdModule& NewValues(CCmdValue& pValue)
   {
      CCmdModule* p = new CCmdModule;
      p->mValue = pValue; // THIS LINE FAILS
   }
};

When i try to pass the value of "pValue" to "mValue" It fails. It
doesn't give any compilation error, but when i try to read the integer
values, they don't have any vlaues assigned to them.

Any idea why thats happening?


How about providing a minimal, compilable, executable sample that
exhibits the behavior in question?

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