Then we're back to the first design - an object factory which can catch your mistakes and save you time.
Your suggestion about non-copyable is good too.
Yeah, boost has a noncopyable class that you can inherit from to disable copying.
Originally Posted by Adak
io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
Originally Posted by Salem
You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.
Outside of your DOS world, your header file is meaningless.