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