LL | const CONST_NOT_OK: Option<BTreeMap<String, ()>> = None;
| ^^^^^^^^^^^^^^^^^^^^
|
- = note: `-D clippy::zero-sized-map-values` implied by `-D warnings`
= help: consider using a set instead
+ = note: `-D clippy::zero-sized-map-values` implied by `-D warnings`
error: map with zero-sized value type
--> $DIR/zero_sized_btreemap_values.rs:8:30