string类的构造函数和析构函数

Class MyString{
     private:
          char * chr;
     public:
          MyString(const char * ch);
          MyString(const MyString &other);
          ~MyString();
}

MyString::MyString(const char *ch)
{
     if(ch == NULL)
     {
          chr = new char[1];
          *chr=‘\0‘
     }
     else
     {
          chr = new char[strlen(ch)+1];
          strcpy(chr,ch);
     }
}

MyString::~MyString()
{
     delete []chr;
}

MyString::MyString(const MyString &other)
{
     chr = new char[strlen(other->chr)+1];
     strcpy(chr,other->chr);
}

string类的构造函数和析构函数,布布扣,bubuko.com

string类的构造函数和析构函数

原文：http://blog.csdn.net/magicharvey/article/details/21443629