error: called `is_some()` after searching an `Iterator` with `find` --> $DIR/search_is_some.rs:15:13 | LL | let _ = v.iter().find(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).is_some(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` = note: `-D clippy::search-is-some` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::search_is_some)]` error: called `is_some()` after searching an `Iterator` with `position` --> $DIR/search_is_some.rs:21:13 | LL | let _ = v.iter().position(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` error: called `is_some()` after searching an `Iterator` with `rposition` --> $DIR/search_is_some.rs:27:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` error: called `is_some()` after searching an `Iterator` with `find` --> $DIR/search_is_some.rs:42:20 | LL | let _ = (0..1).find(some_closure).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `any()` instead: `any(some_closure)` error: called `is_none()` after searching an `Iterator` with `find` --> $DIR/search_is_some.rs:52:13 | LL | let _ = v.iter().find(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).is_none(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `position` --> $DIR/search_is_some.rs:58:13 | LL | let _ = v.iter().position(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_none(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `rposition` --> $DIR/search_is_some.rs:64:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_none(); | |______________________________^ | = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `find` --> $DIR/search_is_some.rs:79:13 | LL | let _ = (0..1).find(some_closure).is_none(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `!_.any()` instead: `!(0..1).any(some_closure)` error: aborting due to 8 previous errors