[rustc.git] / src / test / ui / wf / wf-convert-unsafe-trait-obj.rs

// Check that we do not allow casts or coercions
// to object unsafe trait objects by ref

#![feature(object_safe_for_dispatch)]

trait Trait: Sized {}

struct S;

impl Trait for S {}

fn takes_trait(t: &dyn Trait) {}

fn main() {
    &S as &dyn Trait; //~ ERROR E0038
    let t: &dyn Trait = &S; //~ ERROR E0038
    takes_trait(&S); //~ ERROR E0038
}
Commit	Line	Data
e74abb32 XL	1	// Check that we do not allow casts or coercions
	2	// to object unsafe trait objects by ref
	3
	4	#![feature(object_safe_for_dispatch)]
	5
	6	trait Trait: Sized {}
	7
	8	struct S;
	9
	10	impl Trait for S {}
	11
	12	fn takes_trait(t: &dyn Trait) {}
	13
	14	fn main() {
	15	&S as &dyn Trait; //~ ERROR E0038
	16	let t: &dyn Trait = &S; //~ ERROR E0038
	17	takes_trait(&S); //~ ERROR E0038
	18	}