1 #include <stdio.h> 2 3 struct SummaryAndChildren { 4 int child = 30; 5 }; 6 7 struct SummaryOnly { 8 int child = 30; 9 }; 10 11 struct ChildrenOnly { 12 int child = 30; 13 }; 14 main()15int main() { 16 SummaryAndChildren summary_and_children; 17 SummaryOnly summary_only; 18 ChildrenOnly children_only; 19 auto &summary_and_children_ref = summary_and_children; 20 auto &summary_only_ref = summary_only; 21 auto &children_only_ref = children_only; 22 printf("break here\n"); 23 return 0; 24 } 25