lorro questions

lorro answers

• 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
• Using a function name that is already taken
• C++ How to properly copy container(vector) of pointers?
• Looking for a pattern to avoid using dynamic_cast in implementation of a virtual function