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|
trait Trait {
fn exists(self) -> ();
fn dyn_incompatible() -> Self;
}
impl Trait for () {
fn exists(self) -> () {
}
fn dyn_incompatible() -> Self {
()
}
}
fn main() {
// dyn-compatible or not, this call is OK
Trait::exists(());
// no dyn-compatibility error
Trait::nonexistent(());
//~^ WARN trait objects without an explicit `dyn` are deprecated
//~| WARN this is accepted in the current edition
//~| ERROR the trait `Trait` is not dyn compatible
}
|
