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40 lines
1.8 KiB
Plaintext
40 lines
1.8 KiB
Plaintext
error[E0038]: the trait `Trait` cannot be made into an object
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--> $DIR/wf-convert-unsafe-trait-obj-box.rs:16:33
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LL | trait Trait: Sized {}
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| ----- traits that require `Self: Sized` cannot be made into an object
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...
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LL | let t_box: Box<dyn Trait> = Box::new(S);
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| ^^^^^^^^^^^ the trait `Trait` cannot be made into an object
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= note: required because of the requirements on the impl of `std::ops::CoerceUnsized<std::boxed::Box<dyn Trait>>` for `std::boxed::Box<S>`
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= note: required by cast to type `std::boxed::Box<dyn Trait>`
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error[E0038]: the trait `Trait` cannot be made into an object
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--> $DIR/wf-convert-unsafe-trait-obj-box.rs:17:15
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LL | trait Trait: Sized {}
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| ----- traits that require `Self: Sized` cannot be made into an object
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...
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LL | takes_box(Box::new(S));
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| ^^^^^^^^^^^ the trait `Trait` cannot be made into an object
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= note: required because of the requirements on the impl of `std::ops::CoerceUnsized<std::boxed::Box<dyn Trait>>` for `std::boxed::Box<S>`
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= note: required by cast to type `std::boxed::Box<(dyn Trait + 'static)>`
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error[E0038]: the trait `Trait` cannot be made into an object
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--> $DIR/wf-convert-unsafe-trait-obj-box.rs:15:5
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LL | trait Trait: Sized {}
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| ----- traits that require `Self: Sized` cannot be made into an object
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...
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LL | Box::new(S) as Box<dyn Trait>;
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| ^^^^^^^^^^^ the trait `Trait` cannot be made into an object
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= note: required because of the requirements on the impl of `std::ops::CoerceUnsized<std::boxed::Box<dyn Trait>>` for `std::boxed::Box<S>`
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= note: required by cast to type `std::boxed::Box<dyn Trait>`
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0038`.
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