lorro questions

lorro answers

• decltype error with free function
• access to optionally present members of base template class
• calling inline member in derived class from base class of derived instance
• Can an array of a union type be cast to a pointer of the active type?
• explicit specialization; 'std::hash<_Kty>' has already been instantiated
• std::binary_search curious issue with char array
• Check with which template parameter a class was instantiated (compile time)
• Range-based loop from a temporary returned by a member function
• Compare doubles in c++
• Bitswap function using template metaprogramming