No, Go switch statements do not fall through automatically. If you do want it to fall through, you must explicitly use a fallthrough statement. From the spec: In a case or default clause, the last non-empty statement may be a (possibly labeled) “fallthrough” statement to indicate that control should flow from the end of this … Read more
You are missing a semicolon after the attribute: case 0: std::cout << “a\n”; [[fallthrough]]; // ^ case 1: The [[fallthrough]] attribute is to be applied to an empty statement (see P0188R1). The current Clang trunk gives a helpful error in this case: error: fallthrough attribute is only allowed on empty statements [[fallthrough]] ^ note: did … Read more
You can use fall-through: switch (pageid) { case “listing-page”: case “home-page”: alert(“hello”); break; case “details-page”: alert(“goodbye”); break; }