= AA) case A: case AA:return 3; return 0;当我使用gcc -Wimplicit-fallthrough test_fallthrough.c编译它时,我会收到以下警告test_fallthrough.c:21:3: warning: this statement may fall through [-Wimplicit-fa
当我这么做val newId = (oldId: @switch) match { case2 => 5678 case 4 => 3344我收到编译器警告
[ant:scalac] mycode.scala:25: warning: couldnot emit switch for @switch annotated m