fall-through
In a switch, running on into the next case because break is missing.
Without break, control falls through from one case into the next; C++17's [[fallthrough]] marks it as intended so the compiler does not warn.
In a switch, running on into the next case because break is missing.
Without break, control falls through from one case into the next; C++17's [[fallthrough]] marks it as intended so the compiler does not warn.