From 096346350e19c5de9a4d74bba64796997e9f40da Mon Sep 17 00:00:00 2001
From: Mo <76752051+mo8it@users.noreply.github.com>
Date: Mon, 5 Feb 2024 13:54:05 +0100
Subject: [PATCH] perf: Use drain instead of remove in chart examples (#922)

---
 examples/chart.rs    | 10 ++++------
 examples/demo/app.rs |  4 +---
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/examples/chart.rs b/examples/chart.rs
index 653c97f7..4da3fb78 100644
--- a/examples/chart.rs
+++ b/examples/chart.rs
@@ -81,14 +81,12 @@ impl App {
     }
 
     fn on_tick(&mut self) {
-        for _ in 0..5 {
-            self.data1.remove(0);
-        }
+        self.data1.drain(0..5);
         self.data1.extend(self.signal1.by_ref().take(5));
-        for _ in 0..10 {
-            self.data2.remove(0);
-        }
+
+        self.data2.drain(0..10);
         self.data2.extend(self.signal2.by_ref().take(10));
+
         self.window[0] += 1.0;
         self.window[1] += 1.0;
     }
diff --git a/examples/demo/app.rs b/examples/demo/app.rs
index 3c121c10..56e5ebe2 100644
--- a/examples/demo/app.rs
+++ b/examples/demo/app.rs
@@ -191,9 +191,7 @@ where
     S: Iterator,
 {
     fn on_tick(&mut self) {
-        for _ in 0..self.tick_rate {
-            self.points.remove(0);
-        }
+        self.points.drain(0..self.tick_rate);
         self.points
             .extend(self.source.by_ref().take(self.tick_rate));
     }