From 8d9069e5b667e1b6d7f1eaea52ae88eb31d7d0df Mon Sep 17 00:00:00 2001
From: Kyle Edwards <kyle.edwards@kitware.com>
Date: Mon, 14 Nov 2022 15:49:37 -0500
Subject: cmake -E copy: Add support for -t argument

Fixes: #23543
---
 Source/cmCommandLineArgument.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'Source/cmCommandLineArgument.h')

diff --git a/Source/cmCommandLineArgument.h b/Source/cmCommandLineArgument.h
index 33c91bc5a3..003e972fc7 100644
--- a/Source/cmCommandLineArgument.h
+++ b/Source/cmCommandLineArgument.h
@@ -2,6 +2,8 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #pragma once
 
+#include <cm/optional>
+
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
 
@@ -250,6 +252,15 @@ private:
         return true;
       };
     }
+
+    static std::function<bool(const std::string&, CallState...)>
+    generateSetToValue(cm::optional<std::string>& value1)
+    {
+      return [&value1](const std::string& arg, CallState&&...) -> bool {
+        value1 = arg;
+        return true;
+      };
+    }
   };
 
   std::string extract_single_value(std::string const& input,
-- 
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