error[E0308]: mismatched types --> $DIR/issue-40749.rs:2:9 | LL | [0; ..10]; | ^^^^ expected `usize`, found `RangeTo<{integer}>` | = note: expected type `usize` found struct `RangeTo<{integer}>` error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.