From 819bc247a09191ef32c8e51fb99d2bca351f172b Mon Sep 17 00:00:00 2001
From: Wez Furlong <wez@wezfurlong.org>
Date: Fri, 22 Feb 2019 21:52:18 -0800
Subject: [PATCH] micro optimize clearing a line

Turns out to be faster to clear and then resize than it is to
resize down and manually assign the elements
---
 termwiz/src/surface/line.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/termwiz/src/surface/line.rs b/termwiz/src/surface/line.rs
index d51e91821..20679fcdd 100644
--- a/termwiz/src/surface/line.rs
+++ b/termwiz/src/surface/line.rs
@@ -56,10 +56,8 @@ impl Line {
 
     pub fn resize_and_clear(&mut self, width: usize) {
         let blank = Cell::default();
+        self.cells.clear();
         self.cells.resize(width, blank);
-        for cell in &mut self.cells {
-            *cell = Cell::default();
-        }
         self.bits = LineBits::DIRTY;
     }