| error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants | |
| --> $DIR/issue-104768.rs:1:10 | |
| | | |
| LL | const A: &_ = 0_u32; | |
| | ^^ | |
| | | | |
| | not allowed in type signatures | |
| | help: replace with the correct type: `u32` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0121`. |