error[E0277]: the trait bound `T: Pointee` is not satisfied --> $DIR/issue-81199.rs:5:17 | LL | components: PtrComponents, | ^^^^^^^^^^^^^^^^ the trait `Pointee` is not implemented for `T` | note: required by a bound in `PtrComponents` --> $DIR/issue-81199.rs:10:25 | LL | struct PtrComponents { | ^^^^^^^ required by this bound in `PtrComponents` help: consider further restricting this bound | LL | union PtrRepr { | +++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.