| error[E0562]: `impl Trait` only allowed in function and inherent method argument and return types, not in variable bindings | |
| --> $DIR/issue-70971.rs:2:14 | |
| | | |
| LL | let x : (impl Copy,) = (true,); | |
| | ^^^^^^^^^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0562`. |