error: `.map().collect()` can be replaced with `.try_for_each()` --> $DIR/map_collect_result_unit.rs:6:17 | LL | let _ = (0..3).map(|t| Err(t + 1)).collect::>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `(0..3).try_for_each(|t| Err(t + 1))` | = note: `-D clippy::map-collect-result-unit` implied by `-D warnings` error: `.map().collect()` can be replaced with `.try_for_each()` --> $DIR/map_collect_result_unit.rs:7:32 | LL | let _: Result<(), _> = (0..3).map(|t| Err(t + 1)).collect(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `(0..3).try_for_each(|t| Err(t + 1))` error: aborting due to 2 previous errors