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Subject: no matching function for call to ``vector<C1, allocator<C1> >::at (int &) const'
Date: Thu, 23 Jan 2003 12:52:00 -0000
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From: "Ajay Bansal" <Ajay_Bansal@infosys.com>
To: <gcc-help@gcc.gnu.org>
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Hi All

I am getting the following error on compiling the code

/home/porting/ajay/project/Code/CObArray.h: In=20
method `T1 &CObArray<T1, T2>::GetAt (int) const [with T1 =3D C1, T2 =3D C1
&]':
/home/porting/ajay/project/Code/DbUtilities.h:575:   instantiated from
`C2<T>::Find (CString &, T &) [with T =3D C1]' DbManager.cpp:217:
instantiated from here /home/porting/ajay/project/Code/CObArray.h:152:
no matching function for call to ``vector<C1, allocator<C1> >::at (int
&) const'


Relevent code from different files is=20

***************CObArray.h************************************

template<class T1,class T2>
class CObArray
{
        public:
                        CObArray();
                virtual ~CObArray();
			.=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
                T1 & GetAt(int) const
			{
        			if(index < arr.size())
                			return (T1&) arr.at(index);
			}
			.
			.
        protected:
                vector<T1>      arr;
        private:
                typename vector<T1>::iterator   iter;
}


*******************************************************

***********DbManager.cpp:217**************

Result =3D m_UserDirectorySessionList.Find(Index, SessionResult);

******************************

Where m_UserDirectorySessionList is of type=20

C2<C1>   m_UserDirectorySessionList;


And C2::Find function is in DbUtilities.h

template <class T>
class C2
{
private:
        CObArray<T, T&>                           m_ValueList;
public:
 	.
	.
	.=20=20=20=20=20=20=20
	long C2::Find(long Index, T& Item)
                {
                Item =3D m_ValueList.GetAt(Index);
                }

}


What coud be the possible error?

-Ajay