Pluto questions

• Why are these memory orders applied here in the implementation of the lock free queue in C++ Concurrency in Action?
• How to understand the changes to sequentially-consistent ordering in C++20?
• In which situations does the second form of `__has_include` appear?
• Partial ordering rules of template parameter pack in C++17
• Strange behavior when a function declared as noexcept throws an exception in its default argument

Pluto answers