error: methods called `new` usually return `Self` --> $DIR/methods.rs:105:5 | LL | / fn new() -> i32 { LL | | 0 LL | | } | |_____^ | = note: `-D clippy::new-ret-no-self` implied by `-D warnings` error: called `filter(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(..)` instead. --> $DIR/methods.rs:126:13 | LL | let _ = v.iter().filter(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).next(); | |___________________________^ | = note: `-D clippy::filter-next` implied by `-D warnings` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:143:22 | LL | let _ = v.iter().find(|&x| *x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|x| *x < 0)` | = note: `-D clippy::search-is-some` implied by `-D warnings` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:144:20 | LL | let _ = (0..1).find(|x| **y == *x).is_some(); // one dereference less | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|x| **y == x)` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:145:20 | LL | let _ = (0..1).find(|x| *x == 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|x| x == 0)` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:146:22 | LL | let _ = v.iter().find(|x| **x == 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|x| *x == 0)` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:149:13 | LL | let _ = v.iter().find(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:155:22 | LL | let _ = v.iter().position(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:158:13 | LL | let _ = v.iter().position(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:164:22 | LL | let _ = v.iter().rposition(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:167:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: aborting due to 11 previous errors