Writing a C++ Class .h and .cpp Files C++ classes are made up of a header file and an implementation file. Both files should have the same name except that the header file has a .h extension while the ...

} A source file that includes some_public_class.h won't complain about any missing some_private_impl data during compilation. The real field that class some_public_class has is a unique_ptr called ...

The .cpp file includes a reminder (in comments) of how you would go about implementing the arithmetic operators. Be sure that the arithmetic operators make objects that respect the class invariants ...