| // 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(); |
| } |