DaWei

You are using a lot of things there which you neither show nor define nor explain. Crystal balls are nice, but we don't all have one. Would you care to think about your post, think about your problem, think about your audience, and elucidate?

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Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code.
Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers