2 #![warn(clippy::manual_instant_elapsed)]
3 #![allow(clippy::unnecessary_operation)]
4 #![allow(unused_variables)]
5 #![allow(unused_must_use)]
7 use std::time::Instant;
10 let prev_instant = Instant::now();
14 let another_instant = Instant::now();
17 let duration = prev_instant.elapsed();
20 let duration = prev_instant.elapsed();
22 Instant::now() - duration;
24 let ref_to_instant = &Instant::now();
26 (*ref_to_instant).elapsed(); // to ensure parens are added correctly