#ifndef String_h
#define String_h

class String
{
	public:
		typedef long long length_t;

	private:
		char* str;
		length_t len;

	public:
		// Default constructor and conversion constructor
		/*implicit*/ String(const char* str = "");
		// Conversion constructor
		explicit String(length_t capacity);
		// Copy constructor
		String(const String& other);
		// Assignment operator
		const String& operator=(const String& other);
		// Destructor (dtor)
		~String();
		inline length_t length() const { return len; }
		inline const char* c_str() const { return str; }
		inline char& operator[](length_t i) { return str[i]; }
		inline const char& operator[](length_t i) const { return str[i]; }
		String operator()(length_t pos, length_t len = -1) const;
		// Conversion operator
//		inline operator const char*() const { return str; }
		friend String operator+(const String& s1, const String& s2);
		String operator+(char ch) const;

};

String operator+(const String& s1, const String& s2);

#include <iostream>

std::ostream& operator<<(std::ostream& output, const String& str);


#endif