blob: b4227eaf2f8bbb8846e191bf888e2b99114619d9 [file] [log] [blame]
// run-rustfix
#![allow(unused, clippy::suspicious_map)]
use std::collections::{BTreeSet, HashMap, HashSet};
#[warn(clippy::needless_collect)]
#[allow(unused_variables, clippy::iter_cloned_collect)]
fn main() {
let sample = [1; 5];
let len = sample.iter().count();
if sample.iter().next().is_none() {
// Empty
}
sample.iter().cloned().any(|x| x == 1);
sample.iter().map(|x| (x, x)).count();
// Notice the `HashSet`--this should not be linted
sample.iter().collect::<HashSet<_>>().len();
// Neither should this
sample.iter().collect::<BTreeSet<_>>().len();
}