| error: item does not constrain `Foo::{opaque#0}` |
| --> $DIR/nested.rs:11:4 |
| | |
| LL | fn bar() -> Bar { |
| | ^^^ |
| | |
| = note: consider removing `#[define_opaque]` or adding an empty `#[define_opaque()]` |
| note: this opaque type is supposed to be constrained |
| --> $DIR/nested.rs:3:12 |
| | |
| LL | type Foo = impl std::fmt::Debug; |
| | ^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0277]: `Bar` doesn't implement `Debug` |
| --> $DIR/nested.rs:17:22 |
| | |
| LL | println!("{:?}", bar()); |
| | ---- ^^^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` |
| | | |
| | required by this formatting parameter |
| | |
| = help: the trait `Debug` is not implemented for `Bar` |
| = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |