| error: avoid using `collect()` when not needed |
| --> $DIR/needless_collect.rs:11:28 |
| | |
| LL | let len = sample.iter().collect::<Vec<_>>().len(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()` |
| | |
| = note: `-D clippy::needless-collect` implied by `-D warnings` |
| |
| error: avoid using `collect()` when not needed |
| --> $DIR/needless_collect.rs:12:21 |
| | |
| LL | if sample.iter().collect::<Vec<_>>().is_empty() { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.next().is_none()` |
| |
| error: avoid using `collect()` when not needed |
| --> $DIR/needless_collect.rs:15:27 |
| | |
| LL | sample.iter().cloned().collect::<Vec<_>>().contains(&1); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.any(|x| x == 1)` |
| |
| error: avoid using `collect()` when not needed |
| --> $DIR/needless_collect.rs:16:34 |
| | |
| LL | sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().len(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()` |
| |
| error: aborting due to 4 previous errors |
| |