https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71500
--- Comment #11 from Michael Duggan <mwd at md5i dot com> --- "timshen at gcc dot gnu.org" <gcc-bugzi...@gcc.gnu.org> writes: > (In reply to Michael Duggan from comment #9) >> I will make two suggestions. The initial suggestion is simple enough: >> Given that regex_traits is mandated to be implemented by the library for >> char and wchar_t, it would be reasonable, I think, to make the >> specializations that handled these that go ahead and use the locale. >> This falls into the "as if" rule, where an implementation is fine as >> long as it works "as if" the more correct way was implemented. > >> The other suggestion is this. Given that the more correct is "terribly >> inefficient and impractical", I posit that you have three options: Use >> the "correct", but "bad", implementation, leave the "incorrect in all >> cases" implementation in place, or just go ahead and use the locale to >> implement toggle_case(). Of these three, I think the "incorrect in all >> cases" option is the worst of all worlds. > > In long term I think "toggle_case" or its equivalent should be specified by > the > user-defined traits. I think we can use my toggle_case for now. I'll post a > new > patch to reflect the discussion. > > I'll only post the patch after we have an agreement, since I shouldn't bother > the reviewer (sorry Jon!) too frequently. :P Sounds good to me.
