C++ : can i create an empty function for then i redefine it?
Your objectives ill-defined. You're telling us nothing.
Imagine that I go to a carpenter so he'll make me some piece of furniture and I describe it like this:
1. It must be red.
2. It must have six legs.
3. It must not have curved surfaces.
4. Its doors must be round, if possible.
What should I expect to find when I go pick it up? A chair? A table? A chest of drawers?
You don't know, right? That's because I haven't described anything, I just listed a set of features that could be fulfilled by a number of different things.
Imagine that I go to a carpenter so he'll make me some piece of furniture and I describe it like this:
1. It must be red.
2. It must have six legs.
3. It must not have curved surfaces.
4. Its doors must be round, if possible.
What should I expect to find when I go pick it up? A chair? A table? A chest of drawers?
You don't know, right? That's because I haven't described anything, I just listed a set of features that could be fulfilled by a number of different things.
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