rust/src/test/ui/issues/issue-65673.rs
2019-11-17 14:40:41 -08:00

12 lines
350 B
Rust

#![feature(trait_alias)] // Enabled to reduce stderr output, but can be triggered even if disabled.
trait Trait {}
trait WithType {
type Ctx;
}
trait Alias<T> = where T: Trait;
impl<T> WithType for T {
type Ctx = dyn Alias<T>;
//~^ ERROR the size for values of type `(dyn Trait + 'static)` cannot be known at compilation time
}
fn main() {}