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// 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() {
}
|
