「🎉」 init: hello world !

ex02/Array.hpp

@@ -0,0 +1,47 @@
+#include <cstddef>
+#include <exception>
+#include <iterator>
+#include <string>
+
+template <typename T> class Array {
+public:
+	Array(): _arr(new T[0]), _size(0) {}
+	Array(const int n): _arr(new T[n]), _size(n) {}
+	Array(const Array &cpy) {*this = cpy;}
+	~Array(void) {delete[] _arr;}
+
+	Array &operator=(const Array &cpy)
+	{
+		if (this != &cpy) {
+			_size = cpy._size;
+			_arr = new T[_size];
+			if (_arr)
+			{
+				for (std::size_t i = 0; i < _size; i++)
+					_arr[i] = cpy._arr[i];
+			}
+		}
+		return (*this);
+	}
+
+	T	&operator[](const size_t &pos)
+	{
+		if (pos < 0 || pos >= _size)
+		{
+			throw outOfBoundException();
+		}
+		return _arr[pos];
+	}
+
+	class outOfBoundException : public std::exception {
+		virtual const char *what() const throw()
+		{
+			return ("value is out of bound");
+		}
+	};
+
+
+private:
+	T		*_arr;
+	size_t	_size;
+};