* https://compiler-explorer.com * https://wg21.cmeerw.net/cppdraft/search * https://consteval.ca/ics/ * https://eel.is/c++draft/ * https://github.com/timsong-cpp/cppwp * https://search.cpp-lang.org/# * https://wg21.link/ * https://cppinsights.io/ * https://github.com/lefticus/cppstdmd/ * https://cppevo.dev/
