From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/mpl/identity.hpp | 45 +++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 cutl/details/boost/mpl/identity.hpp

(limited to 'cutl/details/boost/mpl/identity.hpp')

diff --git a/cutl/details/boost/mpl/identity.hpp b/cutl/details/boost/mpl/identity.hpp
new file mode 100644
index 0000000..76f2542
--- /dev/null
+++ b/cutl/details/boost/mpl/identity.hpp
@@ -0,0 +1,45 @@
+
+#ifndef BOOST_MPL_IDENTITY_HPP_INCLUDED
+#define BOOST_MPL_IDENTITY_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: identity.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <cutl/details/boost/mpl/aux_/na_spec.hpp>
+#include <cutl/details/boost/mpl/aux_/lambda_support.hpp>
+
+namespace cutl_details_boost { namespace mpl {
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(T)
+    >
+struct identity
+{
+    typedef T type;
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1, identity, (T))
+};
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(T)
+    >
+struct make_identity
+{
+    typedef identity<T> type;
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1, make_identity, (T))
+};
+
+BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, identity)
+BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, make_identity)
+
+}}
+
+#endif // BOOST_MPL_IDENTITY_HPP_INCLUDED
-- 
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