Re: How to solve this problem about template class?

From:
Norbert Unterberg <nunterberg@newsgroups.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sun, 01 Apr 2007 11:41:20 +0200
Message-ID:
<eNyrvHEdHHA.4888@TK2MSFTNGP02.phx.gbl>
See below

Lee Tow schrieb:

template <class T,short sSize=100>
class Stack
{
 public:
  Stack()
  {
   m_sPos=0;
  }
  ~Stack(){}
  void Push(T value);
  T Pop();
         short GetSize()
  {
   return sSize;
  }
 private:
  T m_data[sSize];
  short m_sPos;
};

template <class T,short sSize=100>

*****
Exactly what the compilse says:
default template arguments are only allowed on a class template
So remove the default arguent from the class implemenation:
   template <class T,short sSize>
******

void Stack<T>::Push(T value)

******
And you need to repeat the template argument list here
   void Stack<T,sSize>::Push(T value)
******

{
     m_data[m_sPos++]=value;
}

template <class T,short sSize=100>
T Stack<T>::Pop()

*****
same here:
 > template <class T,short sSize>
 > T Stack<T,sSize>::Pop()

Norbert

*****

{
 return m_data[--m_sPos];
}

void main()
{
 Stack<int,20> stack1;
}
when I compile the codes,it display:
warning C4519: default template arguments are
only allowed on a class template; ignored
I want to know how to do?Thanks very much.

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