1 error[E0005]: refutable pattern in function argument: `&[]`, `&[_]` and `&[_, _, _, ..]` not covered
2 --> $DIR/const_let_refutable.rs:3:16
4 LL | const fn slice(&[a, b]: &[i32]) -> i32 {
5 | ^^^^^^^ patterns `&[]`, `&[_]` and `&[_, _, _, ..]` not covered
7 = note: the matched value is of type `&[i32]`
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0005`.