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