Red.Wave questions

Red.Wave answers

• Range-v3 operator overloading to write shorter code
• Why do we use Concept&Constraint
• How to declare a static lookup table using C++11
• How to implement selectable namespace-like feature within a class?
• Weird syntax - two ellipsis operators in parameter pack expansion [duplicate]
• C++ compile time check if method exists in template type
• Concatenating tuples as types
• std::any without RTTI, how does it work?