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#ifndef _XN_STACK_T_H_
#define _XN_STACK_T_H_
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnListT.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
template<class T, class TAlloc = XnLinkedNodeDefaultAllocatorT<T> >
class XnStackT : protected XnListT<T, TAlloc>
{
public:
typedef XnListT<T, TAlloc> Base;
typedef typename Base::ConstIterator ConstIterator;
XnStackT() : Base() {}
XnStackT(const XnStackT& other) : Base()
{
*this = other;
}
XnStackT& operator=(const XnStackT& other)
{
Base::operator=(other);
// no other members
return *this;
}
~XnStackT() {}
XnBool IsEmpty() const { return Base::IsEmpty(); }
XnStatus Push(T const& value) { return Base::AddFirst(value); }
XnStatus Pop(T& value)
{
ConstIterator it = Begin();
if (it == End())
{
return XN_STATUS_IS_EMPTY;
}
value = *it;
return Base::Remove(it);
}
T const& Top() const { return *Begin(); }
T& Top() { return *Begin(); }
ConstIterator Begin() const { return Base::Begin(); }
ConstIterator End() const { return Base::End(); }
};
#endif // _XN_STACK_T_H_
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