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...ven have an "empty" method. Is that because we want it to work on all iterators (including those dirty OutputIterator)? Maybe we can add a little bit to it? I recently needed: - bool empty() - value_type& font() - value_type& back() - void advance_begin(difference_type n) - void advance_end(difference_type n) Would you be open to those? -- *Alexandre Isoard* -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171211/962ff1d2/attachment.html>