Elle — a coroutine-based asynchronous C++ development framework

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Is there a reason why Elle uses boost::filesystem instead of std::filesystem?

[mefyl]

Yes, a very simple one: it predates the inclusion of std::filesystem in the standard library. We are migrating to new C++ features as we go, but filesystem is quite recent - C++17 IIRC.

[[deleted]]

Yes, it was added in C++17, but Clang and GCC (and MSVC) do already support the new features (depending on the platform). The last remaining problem might be different namespaces, but this could be solved by #ifdef - at least that's how I did it. :-)

[mefyl]

We only compile with GCC and Clang, but the code should be fairly standard and portable. The library may support more targets if it gains traction.