rust-clippy/tests/ui/manual_instant_elapsed.rs

27 lines
620 B
Rust

#![warn(clippy::manual_instant_elapsed)]
#![allow(clippy::unnecessary_operation)]
#![allow(clippy::unchecked_duration_subtraction)]
#![allow(unused_variables)]
#![allow(unused_must_use)]
use std::time::Instant;
fn main() {
let prev_instant = Instant::now();
{
// don't influence
let another_instant = Instant::now();
}
let duration = Instant::now() - prev_instant;
// don't catch
let duration = prev_instant.elapsed();
Instant::now() - duration;
let ref_to_instant = &Instant::now();
Instant::now() - *ref_to_instant; // to ensure parens are added correctly
}