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#ifndef INCLUDED_NEWALLOC_H_
#define INCLUDED_NEWALLOC_H_
#include <ostream>
template <typename Data>
class NewAlloc: public std::allocator<Data>
{
template<typename IData>
friend std::ostream &operator<<(std::ostream &out,
NewAlloc<IData> const &alloc);
Data *d_data;
public:
NewAlloc();
NewAlloc(Data const &data);
NewAlloc(NewAlloc<Data> const &other);
~NewAlloc();
operator Data &();
NewAlloc &operator=(Data const &data);
};
template<typename Data>
NewAlloc<Data>::NewAlloc()
:
d_data(0)
{}
template<typename Data>
NewAlloc<Data>::NewAlloc(Data const &data)
:
d_data(new Data(data))
{}
template<typename Data>
NewAlloc<Data>::NewAlloc(NewAlloc<Data> const &other)
:
d_data(new Data(*other.d_data))
{}
template<typename Data>
NewAlloc<Data>::~NewAlloc()
{
delete d_data;
}
template<typename Data>
NewAlloc<Data>::operator Data &()
{
return *d_data;
}
template<typename Data>
NewAlloc<Data> &NewAlloc<Data>::operator=(Data const &data)
{
*d_data = data;
}
template<typename IData>
inline std::ostream &operator<<(std::ostream &out,
NewAlloc<IData> const &alloc)
{
return out << *alloc.d_data;
}
#endif
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