1 error[E0435]: attempt to use a non-constant value in a constant
2 --> $DIR/non-constant-expr-for-arr-len.rs:5:22
4 LL | fn bar(n: usize) {
5 | - help: consider using `const` instead of `let`
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0435`.