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error: `?Trait` is not permitted in trait object types
--> $DIR/trait-object-trait-parens.rs:8:24
|
LL | let _: Box<(Obj) + (?Sized) + (for<'a> Trait<'a>)>;
| ^^^^^^^^
error: `?Trait` is not permitted in trait object types
--> $DIR/trait-object-trait-parens.rs:12:17
|
LL | let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Obj)>;
| ^^^^^^
error: `?Trait` is not permitted in trait object types
--> $DIR/trait-object-trait-parens.rs:16:46
|
LL | let _: Box<(for<'a> Trait<'a>) + (Obj) + (?Sized)>;
| ^^^^^^^^
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/trait-object-trait-parens.rs:8:16
|
LL | let _: Box<(Obj) + (?Sized) + (for<'a> Trait<'a>)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (Obj) + (?Sized) + (for<'a> Trait<'a>)`
|
= note: `#[warn(bare_trait_objects)]` on by default
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/trait-object-trait-parens.rs:12:16
|
LL | let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Obj)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (?Sized) + (for<'a> Trait<'a>) + (Obj)`
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/trait-object-trait-parens.rs:16:16
|
LL | let _: Box<(for<'a> Trait<'a>) + (Obj) + (?Sized)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (for<'a> Trait<'a>) + (Obj) + (?Sized)`
error[E0225]: only auto traits can be used as additional traits in a trait object
--> $DIR/trait-object-trait-parens.rs:8:35
|
LL | let _: Box<(Obj) + (?Sized) + (for<'a> Trait<'a>)>;
| ----- ^^^^^^^^^^^^^^^^^^^ additional non-auto trait
| |
| first non-auto trait
|
= help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Obj + for<'a> Trait<'a> {}`
= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error[E0225]: only auto traits can be used as additional traits in a trait object
--> $DIR/trait-object-trait-parens.rs:12:49
|
LL | let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Obj)>;
| ------------------- ^^^^^ additional non-auto trait
| |
| first non-auto trait
|
= help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: for<'a> Trait<'a> + Obj {}`
= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error[E0225]: only auto traits can be used as additional traits in a trait object
--> $DIR/trait-object-trait-parens.rs:16:38
|
LL | let _: Box<(for<'a> Trait<'a>) + (Obj) + (?Sized)>;
| ----------------- ^^^^^ additional non-auto trait
| |
| first non-auto trait
|
= help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: for<'a> Trait<'a> + Obj {}`
= note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error: aborting due to 6 previous errors; 3 warnings emitted
For more information about this error, try `rustc --explain E0225`.
|
