1 use std::collections::{HashMap, VecDeque};
5 let indirect_iter = sample.iter().collect::<Vec<_>>();
6 indirect_iter.into_iter().map(|x| (x, x + 1)).collect::<HashMap<_, _>>();
7 let indirect_len = sample.iter().collect::<VecDeque<_>>();
9 let indirect_empty = sample.iter().collect::<VecDeque<_>>();
10 indirect_empty.is_empty();
11 let indirect_contains = sample.iter().collect::<VecDeque<_>>();
12 indirect_contains.contains(&&5);
13 let indirect_negative = sample.iter().collect::<Vec<_>>();
14 indirect_negative.len();
17 .map(|x| (*x, *x + 1))
18 .collect::<HashMap<_, _>>();