error[E0277]: can't compare `&T` with `T` --> $DIR/partialeq_help.rs:2:7 | LL | a == b; | ^^ no implementation for `&T == T` | = help: the trait `PartialEq` is not implemented for `&T` error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.