Caleth questions

Caleth answers

• explicit object accessing a protected member
• returning value by reference in C++
• Why is ranges::split_view not a Bidirectional Range?
• std::vector emplace_back implementation
• Generic way to use fs::recursive_directory_iterator() and fs::directory_iterator()
• Why does a virtual default destructor make a class non-trivially-destructible?
• How to return const reference from std::optional::value_or?
• std::flat_map, std::flat_set and reserving storage?
• Nested monadic operations produces unreadable code
• Difference between Flux.concat and Flux.concatWith