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error: this `.filter_map` can be written more simply using `.filter`
--> $DIR/unnecessary_filter_map.rs:4:13
|
LL | let _ = (0..4).filter_map(|x| if x > 1 { Some(x) } else { None });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::unnecessary-filter-map` implied by `-D warnings`
error: this `.filter_map` can be written more simply using `.filter`
--> $DIR/unnecessary_filter_map.rs:5:13
|
LL | let _ = (0..4).filter_map(|x| {
| _____________^
LL | | if x > 1 {
LL | | return Some(x);
LL | | };
LL | | None
LL | | });
| |______^
error: this `.filter_map` can be written more simply using `.filter`
--> $DIR/unnecessary_filter_map.rs:11:13
|
LL | let _ = (0..4).filter_map(|x| match x {
| _____________^
LL | | 0 | 1 => None,
LL | | _ => Some(x),
LL | | });
| |______^
error: this `.filter_map` can be written more simply using `.map`
--> $DIR/unnecessary_filter_map.rs:16:13
|
LL | let _ = (0..4).filter_map(|x| Some(x + 1));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: this `.filter_map` can be written more simply using `.filter`
--> $DIR/unnecessary_filter_map.rs:155:14
|
LL | let _x = std::iter::once(1).filter_map(|n| (n > 1).then_some(n));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 5 previous errors
|
