#pragma once

#include <iostream>

template <typename T>
class Array {
	public:
		Array() : arr(new T[0]), len(0) {};
		Array(unsigned int len) : arr(new T[len]), len(len) {};
		Array(const Array &other) : arr(new T[other.size()]), len(other.size()) {
			for (unsigned int i = 0; i < other.size(); i++)
				arr[i] = other.arr[i];
		}
		~Array() {delete[] arr;}
		Array &operator=(const Array &other) {
			if (*this != &other) {
				delete[] this->arr;
				arr = new T[other.size()];
				len = other.size();
				for (unsigned int i = 0; i < other.size(); i++)
					arr[i] = other.arr[i];
			}
			return *this;
		}

		T& operator[](unsigned int i) const {
			return i >= len ? throw OutOfBoundException() : arr[i];
		}

		unsigned int size() const {return len;}

		class OutOfBoundException : public std::exception {
			public: const char* what() const throw() { return "Index is out of bounds"; }
		};

	private:
		T *arr;
		unsigned int len;
};