Making C++ practical for business applications: 3 essential classes

V~%en experienced business applications progranmlers first look at C/C++, they're shocked to discover that some data representations they routinely need are unavailable. To get equivalent results someone has to build new data types (C++ classes), but doing so can be a daunting and error-prone undertaking, it's hardly surprising, then, that many experienced professionals are resisting a switch to C++.