mike questions

• Forward declaration of std::hash template specialization
• What is the difference between std::initializer_list<int>({1,2,3}) and {1,2,3}?
• Does this code causes UB? [duplicate]
• Correct syntax for friend template function
• Is use of empty std::optional<string> UB or not?
• Disallow implicit conversions to int in function call [duplicate]
• How does lambda capture local static variable?
• Why there is no uniform_distribution?
• Why does C++ allow you to move classes containing objects with deleted move operations?

mike answers