On Friday, 9 February 2024 23:04:20 PST Thiago Macieira wrote: > I added a fallback to C++17. I make no promises that it has the same level > of compatibility as the C++20 official concept. In fact, I know it doesn't. > It will reject some types and accept others that it shouldn't. > > That's QHash. That means we need to be sure we won't cause problems for > existing users. I have absolutely no problem in making this feature only > accessible in C++20, if need be.
Done. I had more problems keeping q20::equality_comparable_with working when I made some more changes, so I just deleted it. That means the front-end QHash feature depends on C++20. No old code will be affected, but you can only use the new feature if you enable C++20 in your code. I someone wants to ressurrect q20::equality_comparable_with, be my guest. But as Marc said about a decade ago, "[C++ old version] costs more" (he was talking about C++98(. -- Thiago Macieira - thiago.macieira (AT) intel.com Cloud Software Architect - Intel DCAI Cloud Engineering
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