Introduction to String class functions in standard C + +Look, it's not CString.The reason to discard char* strings and select the String class in the C + + standard library is because he compares with the former, doesn't have to worry about enough
Before you start, let's take a look at the following C ++ code.
// Definition of function read_file // return the file's data in string string read_file (string file_name = "test_data.txt ") { ifstream file (file_name.c_str (); ostringstream
Continue writing some string operations today.String gives us a lot of ways, but every time we use it, it's going to be a bit of a hassle.Scenario 1:Get a std::string Full_path = "D:\program files\csdn", but I want to get the "D:\program Files\vagaa"
The reason for discarding the char* string is to choose the string class in the C + + standard library because he does not have to worry about the adequacy of the memory, the length of the string, and so on, and as a class, his integrated operation
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