Advertencia: la base se inicializará después

// Make sure the members appear in the initializer list in the same order as they appear in the class
Class C {
   int a;
   int b;
   C():b(1),a(2){} //warning, should be C():a(2),b(1)
}
// or you can turn -Wno-reorder
UnAngeloCheSiChiamaTheKing