#ifndef ARRAY_HPP
#define ARRAY_HPP

#include <algorithm>
#include <cassert>
#include <cstdlib>
#include <utility>

template<typename T>
class Array {
   public:
      Array() : size(0), data(nullptr) {
      }
      Array(std::size_t size) :
	 size(size), data(size > 0? new T[size]: nullptr) {
      }
      Array(const Array& other) :
	    size(other.size), data(other.data? new T[size]: nullptr) {
	 if (data) {
	    std::copy(other.data, other.data + size, data);
	 }
      }
      friend void swap(Array& a1, Array& a2) {
	 using std::swap;
	 swap(a1.size, a2.size);
	 swap(a1.data, a2.data);
      }
      Array(Array&& other) : Array() {
	 swap(*this, other);
      }
      ~Array() {
	 delete[] data;
      }
      Array& operator=(Array other) {
	 swap(*this, other);
	 return *this;
      }
      std::size_t get_size() const {
	 return size;
      }
      T& operator()(std::size_t index) {
	 assert(index < size);
	 return data[index];
      }
      const T& operator()(std::size_t index) const {
	 assert(index < size);
	 return data[index];
      }
   private:
      std::size_t size;
      T* data;
};

#endif