// aux-build:option_helpers.rs
+#![warn(clippy::search_is_some)]
+#![allow(dead_code)]
extern crate option_helpers;
use option_helpers::IteratorFalsePositives;
-#[warn(clippy::search_is_some)]
#[rustfmt::skip]
fn main() {
let v = vec![3, 2, 1, 0, -1, -2, -3];
// check that we don't lint if `find()` is called with
// `Pattern` that is not a string
let _ = "hello world".find(|c: char| c == 'o' || c == 'l').is_some();
+
+ let some_closure = |x: &u32| *x == 0;
+ let _ = (0..1).find(some_closure).is_some();
+}
+
+#[rustfmt::skip]
+fn is_none() {
+ let v = vec![3, 2, 1, 0, -1, -2, -3];
+ let y = &&42;
+
+
+ // Check `find().is_none()`, multi-line case.
+ let _ = v.iter().find(|&x| {
+ *x < 0
+ }
+ ).is_none();
+
+ // Check `position().is_none()`, multi-line case.
+ let _ = v.iter().position(|&x| {
+ x < 0
+ }
+ ).is_none();
+
+ // Check `rposition().is_none()`, multi-line case.
+ let _ = v.iter().rposition(|&x| {
+ x < 0
+ }
+ ).is_none();
+
+ // Check that we don't lint if the caller is not an `Iterator` or string
+ let falsepos = IteratorFalsePositives { foo: 0 };
+ let _ = falsepos.find().is_none();
+ let _ = falsepos.position().is_none();
+ let _ = falsepos.rposition().is_none();
+ // check that we don't lint if `find()` is called with
+ // `Pattern` that is not a string
+ let _ = "hello world".find(|c: char| c == 'o' || c == 'l').is_none();
+
+ let some_closure = |x: &u32| *x == 0;
+ let _ = (0..1).find(some_closure).is_none();
}