Vincent Saulue-Laborde questions

Vincent Saulue-Laborde answers

• how does the single-global order in std::memory_order_seq_cst work?
• Is there a way to instantiate all the c++ template sizes at compile time?
• Usefulness of KeyEqual in std::unordered_set/std::unordered_map
• Correct friend definition to give std::map access to private default constructor
• Bring templated base class conversion operator into derived scope
• Checking member function overload existence from a template