| // Check that we correctly prevent users from making trait objects | |
| // form traits that make use of `Self` in an argument or return position. | |
| trait Bar<T> { | |
| fn bar(&self, x: &T); | |
| } | |
| trait Baz : Bar<Self> { | |
| //~^ ERROR the size for values of type `Self` cannot be known | |
| } | |
| fn make_bar<T:Bar<u32>>(t: &T) -> &dyn Bar<u32> { | |
| t | |
| } | |
| fn make_baz<T:Baz>(t: &T) -> &dyn Baz { | |
| //~^ ERROR E0038 | |
| t | |
| } | |
| fn main() { | |
| } |