From ac81b47a41a26ff18419466b129b34921864add2 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Wed, 19 Jan 2022 17:01:26 +0900
Subject: Don't calculate symbol width twice

This is potentially costly so we should avoid calling width()
---
 helix-tui/src/buffer.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'helix-tui')

diff --git a/helix-tui/src/buffer.rs b/helix-tui/src/buffer.rs
index 3c5e09ac..f8673e43 100644
--- a/helix-tui/src/buffer.rs
+++ b/helix-tui/src/buffer.rs
@@ -535,9 +535,10 @@ impl Buffer {
                 updates.push((x, y, &next_buffer[i]));
             }
 
-            to_skip = current.symbol.width().saturating_sub(1);
+            let current_width = current.symbol.width();
+            to_skip = current_width.saturating_sub(1);
 
-            let affected_width = std::cmp::max(current.symbol.width(), previous.symbol.width());
+            let affected_width = std::cmp::max(current_width, previous.symbol.width());
             invalidated = std::cmp::max(affected_width, invalidated).saturating_sub(1);
         }
         updates
-- 
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