[cfe-dev] __is_pod documentation is misleading

Bo Persson bop at gmb.dk
Wed Feb 27 08:22:12 PST 2013

I believe this originally was a bug that MS chose to document rather than fix. 

IIRC, the Boost maintainers have noticed this before.

Bo Persson

27 feb 2013 kl. 00:45 skrev Jeff Walden <jwalden+clang at mit.edu>:

> http://clang.llvm.org/docs/LanguageExtensions.html claims __is_pod is also supported by GNU and Microsoft.  That's true, but the Microsoft implementation has different semantics -- it's false for fundamental types.
> http://msdn.microsoft.com/en-us/library/vstudio/ms177194%28v=vs.80%29.aspx
> It may be worth noting this difference so people familiar with clang/GNU __is_pod semantics don't find out the hard way that MSVC's are different.  I wouldn't be surprised if other traits have different MSVC semantics, given this surprising difference, but I only checked __is_pod.
> Jeff
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