1 #![allow(unused_variables, clippy::blacklisted_name)]
3 use std::collections::HashSet;
6 let tracked_fds: HashSet<i32> = HashSet::new();
7 let new_fds = HashSet::new();
8 let unwanted = &tracked_fds - &new_fds;
12 let bar = String::new();
13 let bar = "foo" == &bar;
15 let a = "a".to_string();