From bdead81fb0c986399a6f2f654a37bdda613d81c6 Mon Sep 17 00:00:00 2001
From: Radek Simko <radek.simko@gmail.com>
Date: Tue, 22 Mar 2022 10:00:58 +0000
Subject: [PATCH] avoid copying nil modifiers slice

---
 lang/semantic_token.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lang/semantic_token.go b/lang/semantic_token.go
index 6f60d20c..29390784 100644
--- a/lang/semantic_token.go
+++ b/lang/semantic_token.go
@@ -52,6 +52,10 @@ type SemanticTokenModifier string
 type SemanticTokenModifiers []SemanticTokenModifier
 
 func (stm SemanticTokenModifiers) Copy() SemanticTokenModifiers {
+	if stm == nil {
+		return nil
+	}
+
 	modifiersCopy := make(SemanticTokenModifiers, len(stm))
 	copy(modifiersCopy, stm)
 	return modifiersCopy