cast to an enum does not throw errors even for invalid values

[Sergei Organov]

Shriramana Sharma <samjnaa@gmail.com> writes:
[...]
> If it is not part of the C++ definition, then please tell me where I
> can include a request for such a provision in the next C++ standard.

I'd start from learning the current standard. Most probably your
intention to request new feature to be added to C++ will vanish after
that automagically.

-- Sergei.