Caleth questions

Caleth answers

• Unexpected call to constructor when non-throwing operator new returns a nullptr
• Function that accepts any pointer type
• C++: How to catch exceptions thrown from constructors?
• What is a view_closure in range-v3?
• In C++, how can we write a recursive function that returns a range?
• Is auto for function input parameters a replacement for function templates?
• How to satisfy totally_ordered for a custom type without spaceship comparison operator (ranges::is_sorted, ranges::sort)
• Is it undefined behaviour to const_cast a const view of a non-const socket received byte buffer?
• Do std::(unordered_)map and std::(unordered_)set share code?
• C++ Phase 1 Translation Set of Source File Characters: Before vs. Post C++11, before C++23