From 0ec90627298b8b7bdc74a3993ca58f1dde14dc26 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 12 Oct 2023 17:47:30 +0800
Subject: ...

---
 include/cru/common/Exception.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include/cru/common')

diff --git a/include/cru/common/Exception.h b/include/cru/common/Exception.h
index d7e32a5a..06a10030 100644
--- a/include/cru/common/Exception.h
+++ b/include/cru/common/Exception.h
@@ -1,6 +1,8 @@
 #pragma once
 #include "String.h"
 
+#include <optional>
+
 namespace cru {
 #ifdef _MSC_VER
 #pragma warning(disable : 4275)
@@ -23,6 +25,9 @@ class CRU_BASE_API Exception : public std::exception {
  protected:
   void SetMessage(String message) { message_ = std::move(message); }
 
+  void AppendMessage(StringView additional_message);
+  void AppendMessage(std::optional<StringView> additional_message);
+
  private:
   String message_;
   mutable std::string utf8_message_;
-- 
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