error: used `flat_map` where `filter_map` could be used instead --> $DIR/flat_map_option.rs:7:24 | LL | let _ = [1].iter().flat_map(c); | ^^^^^^^^ help: try: `filter_map` | = note: `-D clippy::flat-map-option` implied by `-D warnings` error: used `flat_map` where `filter_map` could be used instead --> $DIR/flat_map_option.rs:8:24 | LL | let _ = [1].iter().flat_map(Some); | ^^^^^^^^ help: try: `filter_map` error: aborting due to 2 previous errors