error[E0308]: mismatched types --> $DIR/issue-16338.rs:7:9 | LL | let Slice { data: data, len: len } = "foo"; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ----- this expression has type `&str` | | | expected `str`, found struct `Slice` | = note: expected type `str` found struct `Slice<_>` error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.