error[E0308]: mismatched types --> $DIR/const-array-oob-arith.rs:5:45 | LL | const BLUB: [i32; (ARR[0] - 40) as usize] = [5]; | ---------------------- ^^^ expected an array with a size of 2, found one with a size of 1 | | | help: consider specifying the actual array length: `1` error[E0308]: mismatched types --> $DIR/const-array-oob-arith.rs:8:44 | LL | const BOO: [i32; (ARR[0] - 41) as usize] = [5, 99]; | ---------------------- ^^^^^^^ expected an array with a size of 1, found one with a size of 2 | | | help: consider specifying the actual array length: `2` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.