Am Dienstag, dem 05.12.2023 um 21:08 +0000 schrieb Joseph Myers: > On Mon, 4 Dec 2023, Martin Uecker wrote: > > > > The key feature of lambdas (which failed to make it into C23) for this > > > purpose is that you can't convert them to function pointers, which > > > eliminates any need for trampolines. > > > > And also makes them useful only for template-like macro programming, > > but not much else. So my understanding was that this needs to be > > addressed at some point. > > Where "addressed" probably means some kind of callable object that stores > more than just a function pointer in order to be able to encapsulate both > the code address of a lambda and the context it needs to receive > implicitly. So still not needing trampolines.
Yes, a wide function pointer type similar to C++'s std::function. This would also be a way to eliminate the need for trampolines for GCC's nested function. Martin >
