From 34061b1aa4ee9bd6597da4ff5057f8410d4a6884 Mon Sep 17 00:00:00 2001
From: Akianonymus <anonymus.aki@gmail.com>
Date: Tue, 6 Sep 2022 15:21:38 +0530
Subject: utils: Improve percent_or_hex function

---
 lua/colorizer/utils.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lua/colorizer/utils.lua b/lua/colorizer/utils.lua
index 3b501ac..bfffb60 100644
--- a/lua/colorizer/utils.lua
+++ b/lua/colorizer/utils.lua
@@ -86,11 +86,12 @@ local function parse_hex(byte)
   return rshift(BYTE_CATEGORY[byte], 4)
 end
 
+local b_percent = string.byte "%"
 --- Obvious.
 ---@param v string
 ---@return number|nil
 local function percent_or_hex(v)
-  if v:sub(-1, -1) == "%" then
+  if v:byte(-1) == b_percent then
     return tonumber(v:sub(1, -2)) / 100 * 255
   end
   local x = tonumber(v)
-- 
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