Handy999 questions

Handy999 answers

• How can I implement multiple versions of the same algorithm while avoiding code duplication and conflicting names?
• Scope resolution in templated inheritance (possibly what is called mixin)
• A safe, standard-compliant way to make a class template specialization fail to compile using `static_assert` only if it is instantiated?
• Getting size of dynamic C-style array vs. use of delete[]. Contradiction? [duplicate]
• std::function accepts lambda functions with arguments of different passing type (by ref, by val)