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error: `?Trait` is not permitted in trait object types
--> $DIR/trait-object-trait-parens.rs:6:25
|
LL | let _: Box<(Copy) + (?Sized) + (for<'a> Trait<'a>)>;
| ^^^^^^^^
error: `?Trait` is not permitted in trait object types
--> $DIR/trait-object-trait-parens.rs:11:47
|
LL | let _: Box<(for<'a> Trait<'a>) + (Copy) + (?Sized)>;
| ^^^^^^^^
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/trait-object-trait-parens.rs:6:16
|
LL | let _: Box<(Copy) + (?Sized) + (for<'a> Trait<'a>)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (Copy) + (?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:9:16
|
LL | let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Copy)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (?Sized) + (for<'a> Trait<'a>) + (Copy)`
warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/trait-object-trait-parens.rs:11:16
|
LL | let _: Box<(for<'a> Trait<'a>) + (Copy) + (?Sized)>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (for<'a> Trait<'a>) + (Copy) + (?Sized)`
error[E0261]: use of undeclared lifetime name `'a`
--> $DIR/trait-object-trait-parens.rs:11:31
|
LL | fn main() {
| - help: consider introducing lifetime `'a` here: `<'a>`
...
LL | let _: Box<(for<'a> Trait<'a>) + (Copy) + (?Sized)>;
| ^^ undeclared lifetime
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0261`.
|
