| error[E0284]: type annotations needed: cannot satisfy `<u64 as Test<_>>::Output == _` | |
| --> $DIR/issue-69455.rs:29:26 | |
| | | |
| LL | println!("{}", 23u64.test(xs.iter().sum())); | |
| | ^^^^ cannot satisfy `<u64 as Test<_>>::Output == _` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0284`. |