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Home » Tip Bank » C++
Language: C++
Expertise: Intermediate
Apr 23, 2001

Avoid Link Errors in VC++ While Using Templates


If you have coded a template class and use it from VC++, you will get a LNK2001 error message on template member functions. This is because Microsoft deviates a bit from C++ specifications. To reproduce the problem, do the following:

1. Declare a template class.
 
//HastTable.h

template l;
class HastTable
{
public:
   static float bar;
   void foo();

}

//HastTable.cpp

int HashTable::bar;  //allocate the static variable in template
class.

template 
HastTable::foo()
{

//do something

}


2. Try to use HashTable from your main program.
#include
Rajesh Chathapuram
 
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