1error[E0435]: attempt to use a non-constant value in a constant 2 --> $DIR/non-constant-expr-for-arr-len.rs:5:22 3 | 4LL | fn bar(n: usize) { 5 | - this would need to be a `const` 6LL | let _x = [0; n]; 7 | ^ 8 9error: aborting due to previous error 10 11For more information about this error, try `rustc --explain E0435`. 12