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#ifndef COLLECTION_H
#define COLLECTION_H
#include <algorithm>
#include <memory>
template<typename Object> class Collection {
public:
using Ptr = std::unique_ptr<Object>;
std::vector<Ptr> objects;
template<typename T = Object, typename... Params>
const auto &
create(Params &&... params)
{
return objects.emplace_back(std::make_unique<T>(std::forward<Params>(params)...));
}
template<typename T = Object, typename M = void, typename... Params>
void
apply(const M & m, Params &&... params) const
{
std::for_each(objects.cbegin(), objects.cend(), [&m, ¶ms...](auto && op) {
if (auto o = dynamic_cast<T *>(op.get())) {
std::invoke(m, o, std::forward<Params>(params)...);
}
});
}
};
#endif
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