// Check that we correctly prevent users from making trait objects // form traits that make use of `Self` in an argument or return // position, unless `where Self : Sized` is present.. // // revisions: curr object_safe_for_dispatch #![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))] trait Bar { fn bar(&self, x: &Self); } trait Baz { fn baz(&self) -> Self; } trait Quux { fn quux(&self, s: &Self) -> Self where Self : Sized; } fn make_bar(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t //[object_safe_for_dispatch]~^ ERROR E0038 } fn make_baz(t: &T) -> &dyn Baz { //[curr]~^ ERROR E0038 t //[object_safe_for_dispatch]~^ ERROR E0038 } fn make_quux(t: &T) -> &dyn Quux { t } fn make_quux_explicit(t: &T) -> &dyn Quux { t as &dyn Quux } fn main() {}