| error[E0277]: the trait bound `X: std::cmp::Ord` is not satisfied | |
| --> $DIR/issue-20162.rs:5:7 | |
| | | |
| LL | b.sort(); | |
| | ^^^^ the trait `std::cmp::Ord` is not implemented for `X` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0277`. |