Introduction - If you have any usage issues, please Google them yourself
A written procedure performs the following functions: ⑴ write a string class MyString, it has a private data member: pointers to strings m_data. Write the class constructor, copy constructor and destructor, constructor and copy constructor dynamic application memory space assigned to m_data. For storing strings. Destructor to free up memory space. ⑵ overloaded operators " +" as a the class MyString member function, so that the complete string together. ⑶ write the main function to test the class and overloaded operators.