From 17152614725d6079726d42e63157da74616606ad Mon Sep 17 00:00:00 2001
From: Christof Kaufmann <christofkaufmann.dev@gmail.com>
Date: Wed, 26 May 2021 13:28:59 +0200
Subject: Add missing const in unary operator-

---
 src/pixeltypes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pixeltypes.h b/src/pixeltypes.h
index 6e91723d..62adf805 100644
--- a/src/pixeltypes.h
+++ b/src/pixeltypes.h
@@ -412,7 +412,7 @@ struct CRGB {
     }
 
     /// invert each channel
-    inline CRGB operator- ()
+    inline CRGB operator- () const
     {
         CRGB retval;
         retval.r = 255 - r;
-- 
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