/*
 * Container.h    Step 3, Clearing and swapping.
 */
#ifndef CONTAINER_H
#define CONTAINER_H

#include <cstdlib>

template <typename T>
class Container
{
public:
   using size_type = std::size_t;

   Container() noexcept = default;
   explicit Container(const size_type n);
   Container(const Container&);
   Container(Container&&) noexcept;

   ~Container();

   Container& operator=(const Container&) &;
   Container& operator=(Container&&) & noexcept;

   size_type size() const noexcept;
   size_type max_size() const noexcept;
   size_type capacity() const noexcept;
   bool      empty() const noexcept;
   void      clear() noexcept;           // added
   void      swap(Container&) noexcept;  // added

private:
   T* start_{ nullptr };
   T* finish_{ nullptr };
   T* end_of_storage_{ nullptr };

   T*   allocate_(size_type);
   void deallocate_(T*);
   T*   allocate_and_copy_(const Container&);
};

template <typename T>
void swap(Container<T>&, Container<T>&) noexcept;  // added

#include "Container.tcc"

#endif