rust-clippy/tests/ui/needless_collect_indirect.rs
Takayuki Nakata 2f5d418011 Add test case
2020-10-26 00:01:20 +09:00

25 lines
926 B
Rust

use std::collections::{HashMap, VecDeque};
fn main() {
let sample = [1; 5];
let indirect_iter = sample.iter().collect::<Vec<_>>();
indirect_iter.into_iter().map(|x| (x, x + 1)).collect::<HashMap<_, _>>();
let indirect_len = sample.iter().collect::<VecDeque<_>>();
indirect_len.len();
let indirect_empty = sample.iter().collect::<VecDeque<_>>();
indirect_empty.is_empty();
let indirect_contains = sample.iter().collect::<VecDeque<_>>();
indirect_contains.contains(&&5);
let indirect_negative = sample.iter().collect::<Vec<_>>();
indirect_negative.len();
indirect_negative
.into_iter()
.map(|x| (*x, *x + 1))
.collect::<HashMap<_, _>>();
// #6202
let a = "a".to_string();
let sample = vec![a.clone(), "b".to_string(), "c".to_string()];
let non_copy_contains = sample.into_iter().collect::<Vec<_>>();
non_copy_contains.contains(&a);
}