From ef0a0c06f8c3b3d4974ff620840aaf311a8a8104 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Abd=C3=BCssamet=20ERSOYLU?=
 <106186005+sametersoylu@users.noreply.github.com>
Date: Wed, 2 Jul 2025 16:03:16 +0400
Subject: [PATCH] Update argument_parser.hpp

---
 include/argument_parser.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/argument_parser.hpp b/include/argument_parser.hpp
index 73f2378..ecd509b 100644
--- a/include/argument_parser.hpp
+++ b/include/argument_parser.hpp
@@ -224,6 +224,7 @@ namespace argument_parser {
             invoked(other.invoked) 
         {}
         argument& operator=(argument const& other) {
+            if (this == &other) return *this; 
             this->~argument(); 
             new(this) argument{other};
             return *this; 
@@ -503,4 +504,4 @@ namespace argument_parser {
     };
 }
 
-#endif // ARGUMENT_PARSER_HPP
\ No newline at end of file
+#endif // ARGUMENT_PARSER_HPP