On 8 November 2013 15:41, Jonathan Wakely wrote: > On 8 November 2013 14:51, Daniel Krügler wrote: >> I have fully not grasped for which T the specializations of >> __has_contiguous_iter are intended to be used, > > Currently, only std::container iterators passed to a basic_regex > constructor, but in theory the trait could get moved to another header > and used elsewhere in future.
Currently the vector<bool> specialization can never be reached, because std::vector<bool> doesn't use __gnu_cxx::__normal_iterator (and trying to pass vector<bool>::iterator to a regex ctor fails anyway) so this is only a theoretical problem if we re-use __has_contiguous_iter elsewhere.
