Richard Smith wrote: > The patch looks good to me, but I have a more general question before we go > ahead with this: should we continue to add Clang-specific __has_feature > tests for features that are covered by C++'s SD-6 feature test > recommendations? [...] > ... and there seems to be no reason for portable code to use __has_feature > for this check.
Ah, I didn't realize that Clang has implemented SD-6 feature-test macros. (I'll update Clang's config in Boost.Config to use them.) So it makes sense to provide only SD-6 macros. But, for C++14 features, I would think having __has_feature macros would be better. For TS and C++1z features, I don't think it's necessary to provide __has_feature macros. Patch for __cpp_digit_separators attached. Regards, Michel
cpp_digit_separators.patch
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