| // compile-flags: --force-warn rust_2018_idioms -Zunstable-options | |
| // check-pass | |
| #![allow(rust_2018_idioms)] | |
| pub trait SomeTrait {} | |
| pub fn function(_x: Box<SomeTrait>) {} | |
| //~^ WARN trait objects without an explicit `dyn` are deprecated | |
| //~| WARN this is accepted in the current edition | |
| fn main() {} |