error[E0277]: `u16` needs to have the same ABI as a pointer --> $DIR/pointer-like.rs:11:14 | LL | require_(1u16); | -------- ^^^^ the trait `PointerLike` is not implemented for `u16` | | | required by a bound introduced by this call | = note: the trait bound `u16: PointerLike` is not satisfied note: required by a bound in `require_` --> $DIR/pointer-like.rs:7:21 | LL | fn require_(_: impl PointerLike) {} | ^^^^^^^^^^^ required by this bound in `require_` help: consider borrowing here | LL | require_(&1u16); | + LL | require_(&mut 1u16); | ++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.