policy.hpp

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#pragma once
 
#include <list>
 
namespace fur::policy {
 
template <typename T>
class IPolicy {
 public:
  using Iterator = typename std::list<T>::iterator;
 
  virtual Iterator extract(Iterator begin, Iterator end) const = 0;
};
 
template <typename T>
class FIFOPolicy : public IPolicy<T> {
 public:
  using typename IPolicy<T>::Iterator;
  Iterator extract(Iterator begin, Iterator end) const override;
};
 
template <typename T>
class LIFOPolicy : public IPolicy<T> {
 public:
  using typename IPolicy<T>::Iterator;
  Iterator extract(Iterator begin, Iterator end) const override;
};
 
}  // namespace fur::policy
 
#include <policy/policy.inl>