rust-clippy/tests/ui/methods.stderr

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