| error: called `filter(p).map(q)` on an `Iterator`. This is more succinctly expressed by calling `.filter_map(..)` instead. |
| --> $DIR/filter_methods.rs:8:21 |
| | |
| 8 | let _: Vec<_> = vec![5; 6].into_iter() |
| | _____________________^ |
| 9 | | .filter(|&x| x == 0) |
| 10 | | .map(|x| x * 2) |
| | |_____________________________________________^ |
| | |
| = note: `-D filter-map` implied by `-D warnings` |
| |
| error: called `filter(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator. |
| --> $DIR/filter_methods.rs:13:21 |
| | |
| 13 | let _: Vec<_> = vec![5_i8; 6].into_iter() |
| | _____________________^ |
| 14 | | .filter(|&x| x == 0) |
| 15 | | .flat_map(|x| x.checked_mul(2)) |
| | |_______________________________________________________________^ |
| |
| error: called `filter_map(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator. |
| --> $DIR/filter_methods.rs:18:21 |
| | |
| 18 | let _: Vec<_> = vec![5_i8; 6].into_iter() |
| | _____________________^ |
| 19 | | .filter_map(|x| x.checked_mul(2)) |
| 20 | | .flat_map(|x| x.checked_mul(2)) |
| | |_______________________________________________________________^ |
| |
| error: called `filter_map(p).map(q)` on an `Iterator`. This is more succinctly expressed by only calling `.filter_map(..)` instead. |
| --> $DIR/filter_methods.rs:23:21 |
| | |
| 23 | let _: Vec<_> = vec![5_i8; 6].into_iter() |
| | _____________________^ |
| 24 | | .filter_map(|x| x.checked_mul(2)) |
| 25 | | .map(|x| x.checked_mul(2)) |
| | |__________________________________________________________^ |
| |
