From a58195d8c7185f353eab172a897d6782fd77a070 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois?= <mockersf@gmail.com>
Date: Tue, 26 Apr 2022 18:42:44 +0000
Subject: [PATCH] use elapsed on instant (#4599)

# Objective

- reopen #4497 on main
- Make the example a tiny bit more elegant
---
 examples/async_tasks/async_compute.rs                   | 2 +-
 examples/async_tasks/external_source_external_thread.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/async_tasks/async_compute.rs b/examples/async_tasks/async_compute.rs
index e5f7e30d8b0ab3..9182ac48797fd5 100644
--- a/examples/async_tasks/async_compute.rs
+++ b/examples/async_tasks/async_compute.rs
@@ -59,7 +59,7 @@ fn spawn_tasks(mut commands: Commands, thread_pool: Res<AsyncComputeTaskPool>) {
                     let mut rng = rand::thread_rng();
                     let start_time = Instant::now();
                     let duration = Duration::from_secs_f32(rng.gen_range(0.05..0.2));
-                    while Instant::now() - start_time < duration {
+                    while start_time.elapsed() < duration {
                         // Spinning for 'duration', simulating doing hard
                         // compute work generating translation coords!
                     }
diff --git a/examples/async_tasks/external_source_external_thread.rs b/examples/async_tasks/external_source_external_thread.rs
index 4e64cb58aa2331..6b2cec163c2b11 100644
--- a/examples/async_tasks/external_source_external_thread.rs
+++ b/examples/async_tasks/external_source_external_thread.rs
@@ -32,7 +32,7 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
         let mut rng = rand::thread_rng();
         let start_time = Instant::now();
         let duration = Duration::from_secs_f32(rng.gen_range(0.0..0.2));
-        while Instant::now() - start_time < duration {
+        while start_time.elapsed() < duration {
             // Spinning for 'duration', simulating doing hard work!
         }