DaWei

If it makes me a curmudgeon to point out when you're being silly, yes, indeed. The OP distinctly asked for a short way. Merely hiding things so that they aren't visible at the point of invocation doesn't qualify as either short or elegant.

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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