#pragma once
#include<iostream>
#include<conio.h>
using namespace std;
class Mystring
{
public:
	Mystring();					//構造函數
	Mystring(char *string);     //帶參數的構造函數（重載）
	Mystring(Mystring &string); //拷貝構造函數
	~Mystring();				//析構函數

	void     operator =(Mystring c2);	// ＝   重載
	void     operator =(char *string);  // ＝   再次重載
	char &operator [](const int i);     // []   重載
	Mystring operator +(Mystring c2);   // class+class  
	Mystring operator +(char *string);  // class+string
	//Mystring &operator +(char *string); // string+class
	Mystring operator +=(Mystring c2);  // +=   重載

	bool operator ==(Mystring c2);      // ==   重載
	bool operator ==(char *string);     // ==   再次重載
	bool operator !=(Mystring c2);      // !=
	bool operator !=(char *string);     // !=
	bool operator <(Mystring c2);       // <    重載
	bool operator <(char *string);      // <   
	bool operator >(Mystring c2);       // >
	bool operator >(char *string);      // >
	bool operator >=(Mystring c2);      // >=
	bool operator >=(char *string);     // >=
	bool operator <=(Mystring c2);      // <=
	bool operator <=(char *string);     // <=
	//char *operator <<(Mystring c1);
	bool isIn(char *word);			//判斷strings所指的字符串是否在Mystring中
	int Length();//返回字符串的長度
	void Display();
private:
	char *str;
	int length;
};