1error[E0107]: this struct takes 1 generic argument but 2 generic arguments were supplied 2 --> $DIR/invalid-constant-in-args.rs:4:12 3 | 4LL | let _: Cell<&str, "a"> = Cell::new(""); 5 | ^^^^ --- help: remove this generic argument 6 | | 7 | expected 1 generic argument 8 | 9note: struct defined here, with 1 generic parameter: `T` 10 --> $SRC_DIR/core/src/cell.rs:LL:COL 11 | 12LL | pub struct Cell<T: ?Sized> { 13 | ^^^^ - 14 15error: aborting due to previous error 16 17For more information about this error, try `rustc --explain E0107`. 18