mirror of https://github.com/rust-lang/rust
24 lines
1020 B
Rust
24 lines
1020 B
Rust
trait Trait<'a> {}
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trait Obj {}
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fn f<T: (Copy) + (?Sized) + (for<'a> Trait<'a>)>() {}
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fn main() {
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let _: Box<(Obj) + (?Sized) + (for<'a> Trait<'a>)>;
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//~^ ERROR `?Trait` is not permitted in trait object types
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//~| ERROR only auto traits can be used as additional traits
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//~| WARN trait objects without an explicit `dyn` are deprecated
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//~| WARN this is accepted in the current edition
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let _: Box<?Sized + (for<'a> Trait<'a>) + (Obj)>;
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//~^ ERROR `?Trait` is not permitted in trait object types
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//~| ERROR only auto traits can be used as additional traits
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//~| WARN trait objects without an explicit `dyn` are deprecated
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//~| WARN this is accepted in the current edition
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let _: Box<for<'a> Trait<'a> + (Obj) + (?Sized)>;
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//~^ ERROR `?Trait` is not permitted in trait object types
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//~| ERROR only auto traits can be used as additional traits
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//~| WARN trait objects without an explicit `dyn` are deprecated
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//~| WARN this is accepted in the current edition
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}
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