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...quot; << format_time_point(end) << ", Elapsed: " << std::chrono::duration_cast<std::chrono::millis>(start-end).count(); -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20161012/01ea6532/attachment.html>

A while back llvm::format() was introduced that made it possible to combine printf-style formatting with llvm streams. However, this still comes with all the risks and pitfalls of printf. Everyone is no-doubt familiar with these problems, but here are just a few anyway: 1. *Not type-safe.* Not all compilers warn when you mess up the format specifier. And when you're writing your own