| #![feature(default_field_values)] |
| |
| // If an API wants users to always use `..` even if they specify all the fields, they should use a |
| // sentinel field. As of now, that field can't be made private so it is only constructable with this |
| // syntax, but this might change in the future. |
| |
| struct A {} |
| struct B(); |
| struct C; |
| struct D { |
| x: i32, |
| } |
| struct E(i32); |
| |
| fn main() { |
| let _ = A { .. }; //~ ERROR has no fields |
| let _ = B { .. }; //~ ERROR has no fields |
| let _ = C { .. }; //~ ERROR has no fields |
| let _ = D { x: 0, .. }; |
| let _ = E { 0: 0, .. }; |
| } |
