#ifndef PTR_VECTOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define PTR_VECTOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) || \
	(defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include <cstddef>
#include <cstdlib>
#include <memory>
#include <vector>

namespace YAML {

// TODO: This class is no longer needed
template <typename T>
class ptr_vector {
public:
	ptr_vector() : m_data{} {}
	ptr_vector(const ptr_vector&) = delete;
	ptr_vector(ptr_vector&&) = default;
	ptr_vector& operator=(const ptr_vector&) = delete;
	ptr_vector& operator=(ptr_vector&&) = default;

	void clear() { m_data.clear(); }

	std::size_t size() const { return m_data.size(); }
	bool empty() const { return m_data.empty(); }

	void push_back(std::unique_ptr<T>&& t) { m_data.push_back(std::move(t)); }
	T& operator[](std::size_t i) { return *m_data[i]; }
	const T& operator[](std::size_t i) const { return *m_data[i]; }

	T& back() { return *(m_data.back().get()); }

	const T& back() const { return *(m_data.back().get()); }

private:
	std::vector<std::unique_ptr<T>> m_data;
};
}  // namespace YAML

#endif	// PTR_VECTOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
