
28 Aug
2015
28 Aug
'15
1:50 p.m.
Agustín K-ballo Bergé <kaballo86 <at> hotmail.com> writes:
If by "this" you mean defining stuff elsewhere and importing into namespace `std` via `using` then no, that is not allowed by the C++ standard.
Where do you see this? A lot of stuff from both libc++ and libstdc++ are also defined like this. All cXXX headers define their symbols in the global namespace, then put them into ::std with a using.