| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:16:47 |
| | |
| LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id).flatten().collect(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id)` |
| | |
| = note: `-D clippy::map-flatten` implied by `-D warnings` |
| = help: to override `-D warnings` add `#[allow(clippy::map_flatten)]` |
| |
| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:17:47 |
| | |
| LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_ref).flatten().collect(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id_ref)` |
| |
| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:18:47 |
| | |
| LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_closure).flatten().collect(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(option_id_closure)` |
| |
| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:19:47 |
| | |
| LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| x.checked_add(1)).flatten().collect(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `filter_map` and remove the `.flatten()`: `filter_map(|x| x.checked_add(1))` |
| |
| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:22:47 |
| | |
| LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| 0..x).flatten().collect(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `flat_map` and remove the `.flatten()`: `flat_map(|x| 0..x)` |
| |
| error: called `map(..).flatten()` on `Option` |
| --> tests/ui/map_flatten_fixable.rs:25:40 |
| | |
| LL | let _: Option<_> = (Some(Some(1))).map(|x| x).flatten(); |
| | ^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `and_then` and remove the `.flatten()`: `and_then(|x| x)` |
| |
| error: called `map(..).flatten()` on `Result` |
| --> tests/ui/map_flatten_fixable.rs:28:42 |
| | |
| LL | let _: Result<_, &str> = (Ok(Ok(1))).map(|x| x).flatten(); |
| | ^^^^^^^^^^^^^^^^^^^^ help: try replacing `map` with `and_then` and remove the `.flatten()`: `and_then(|x| x)` |
| |
| error: called `map(..).flatten()` on `Iterator` |
| --> tests/ui/map_flatten_fixable.rs:37:10 |
| | |
| LL | .map(|n| match n { |
| | __________^ |
| LL | | 1 => [n |
| LL | | .saturating_add(1) |
| LL | | .saturating_add(1) |
| ... | |
| LL | | }) |
| LL | | .flatten(); |
| | |__________________^ |
| | |
| help: try replacing `map` with `flat_map` and remove the `.flatten()` |
| | |
| LL ~ .flat_map(|n| match n { |
| LL + 1 => [n |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1) |
| LL + .saturating_add(1)], |
| LL + n => [n], |
| LL ~ }); |
| | |
| |
| error: called `map(..).flatten()` on `Option` |
| --> tests/ui/map_flatten_fixable.rs:57:10 |
| | |
| LL | .map(|_| { |
| | __________^ |
| LL | | // we need some newlines |
| LL | | // so that the span is big enough |
| LL | | // for a split output of the diagnostic |
| ... | |
| LL | | }) |
| LL | | .flatten(); |
| | |__________________^ |
| | |
| help: try replacing `map` with `and_then` and remove the `.flatten()` |
| | |
| LL ~ .and_then(|_| { |
| LL + // we need some newlines |
| LL + // so that the span is big enough |
| LL + // for a split output of the diagnostic |
| LL + Some("") |
| LL + // whitespace beforehand is important as well |
| LL ~ }); |
| | |
| |
| error: aborting due to 9 previous errors |
| |