16 lines
645 B
Rust
16 lines
645 B
Rust
trait Trait<'a> {}
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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<(Copy) + (?Sized) + (for<'a> Trait<'a>)>;
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//~^ ERROR `?Trait` is not permitted in trait object types
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//~| WARN trait objects without an explicit `dyn` are deprecated
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let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Copy)>;
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//~^ WARN trait objects without an explicit `dyn` are deprecated
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let _: Box<(for<'a> Trait<'a>) + (Copy) + (?Sized)>;
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//~^ ERROR use of undeclared lifetime name `'a`
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//~| ERROR `?Trait` is not permitted in trait object types
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//~| WARN trait objects without an explicit `dyn` are deprecated
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}
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