3 use std::collections::HashMap;
6 fn i_used_to_be_able_to(foo: &Mutex<HashMap<usize, usize>>) -> Vec<(usize, usize)> {
7 let mut foo = foo.lock().unwrap();
12 fn but_after_nightly_update_now_i_gotta(foo: &Mutex<HashMap<usize, usize>>) -> Vec<(usize, usize)> {
13 let mut foo = foo.lock().unwrap();
15 return foo.drain().collect();