From 8a4c00acf35ad02fbd0fb83d5ecc4b148b07d881 Mon Sep 17 00:00:00 2001
From: EngincanV <enginveske@gmail.com>
Date: Wed, 23 Jun 2021 15:15:29 +0300
Subject: [PATCH] Docs: Change List to HashSet for highlighted lines

---
 .../Markdown/Renderers/HighlightedCodeBlockRenderer.cs        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/docs/src/Volo.Docs.Web/Markdown/Renderers/HighlightedCodeBlockRenderer.cs b/modules/docs/src/Volo.Docs.Web/Markdown/Renderers/HighlightedCodeBlockRenderer.cs
index 07209eb912..9a0f6afcf2 100644
--- a/modules/docs/src/Volo.Docs.Web/Markdown/Renderers/HighlightedCodeBlockRenderer.cs
+++ b/modules/docs/src/Volo.Docs.Web/Markdown/Renderers/HighlightedCodeBlockRenderer.cs
@@ -98,9 +98,9 @@ namespace Volo.Docs.Markdown.Renderers
             }
         }
         
-        private List<int> GetHighlightedLines(FencedCodeBlock fencedCodeBlock)
+        private HashSet<int> GetHighlightedLines(FencedCodeBlock fencedCodeBlock)
         {
-            var highlightedLines = new List<int>();
+            var highlightedLines = new HashSet<int>();
             if (string.IsNullOrWhiteSpace(fencedCodeBlock?.Arguments) || !Regex.IsMatch(pattern: Pattern, input: fencedCodeBlock.Arguments))
             {
                 return highlightedLines;