2 #![warn(clippy::manual_instant_elapsed)]
3 #![allow(clippy::unnecessary_operation)]
4 #![allow(clippy::unchecked_duration_subtraction)]
5 #![allow(unused_variables)]
6 #![allow(unused_must_use)]
8 use std::time::Instant;
11 let prev_instant = Instant::now();
15 let another_instant = Instant::now();
18 let duration = prev_instant.elapsed();
21 let duration = prev_instant.elapsed();
23 Instant::now() - duration;
25 let ref_to_instant = &Instant::now();
27 (*ref_to_instant).elapsed(); // to ensure parens are added correctly