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#ifndef CPLUSPLUS_ALREADYCONSIDEREDCLASSCONTAINER_H
#define CPLUSPLUS_ALREADYCONSIDEREDCLASSCONTAINER_H
#include <QSet>
namespace CPlusPlus {
template<typename T>
class AlreadyConsideredClassContainer
{
public:
AlreadyConsideredClassContainer() : _class(0) {}
void insert(const T *item)
{
if (_container.isEmpty())
_class = item;
_container.insert(item);
}
bool contains(const T *item)
{
if (_container.contains(item))
return true;
foreach (const T *existingItem, _container) {
if (existingItem->isEqualTo(item))
return true;
}
return false;
}
void clear(const T *item)
{
if (_class != item || _container.size() == 1)
_container.clear();
}
private:
QSet<const T *> _container;
const T * _class;
};
} // namespace CPlusPlus
#endif // CPLUSPLUS_ALREADYCONSIDEREDCLASSCONTAINER_H
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