From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 20:24:20 +0200
Subject: Adding upstream version 14.2.21.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../libs/unordered/test/helpers/metafunctions.hpp  | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/boost/libs/unordered/test/helpers/metafunctions.hpp

(limited to 'src/boost/libs/unordered/test/helpers/metafunctions.hpp')

diff --git a/src/boost/libs/unordered/test/helpers/metafunctions.hpp b/src/boost/libs/unordered/test/helpers/metafunctions.hpp
new file mode 100644
index 00000000..f5f13851
--- /dev/null
+++ b/src/boost/libs/unordered/test/helpers/metafunctions.hpp
@@ -0,0 +1,30 @@
+
+// Copyright 2005-2009 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#if !defined(BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER)
+#define BOOST_UNORDERED_TEST_HELPERS_METAFUNCTIONS_HEADER
+
+#include <boost/config.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace test {
+  template <class Container>
+  struct is_set : public boost::is_same<typename Container::key_type,
+                    typename Container::value_type>
+  {
+  };
+
+  template <class Container> struct has_unique_keys
+  {
+    static char flip(typename Container::iterator const&);
+    static long flip(std::pair<typename Container::iterator, bool> const&);
+    BOOST_STATIC_CONSTANT(bool,
+      value = sizeof(long) ==
+              sizeof(flip(
+                ((Container*)0)->insert(*(typename Container::value_type*)0))));
+  };
+}
+
+#endif
-- 
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