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[ceph.git] / ceph / src / boost / libs / parameter / test / optional_deduced_sfinae.cpp

diff --git a/ceph/src/boost/libs/parameter/test/optional_deduced_sfinae.cpp b/ceph/src/boost/libs/parameter/test/optional_deduced_sfinae.cpp
index e6b387a7a0d1bebcf6773b7009e96356f5e50c34..a821cc9cf8bc1320a98dddf8940a8cf73e8fb2ca 100644 (file)
--- a/ceph/src/boost/libs/parameter/test/optional_deduced_sfinae.cpp
+++ b/ceph/src/boost/libs/parameter/test/optional_deduced_sfinae.cpp
@@ -1,73 +1,108 @@
-// Copyright Daniel Wallin 2006. Use, modification and distribution is
-// subject to 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)
+// Copyright Daniel Wallin 2006.
+// 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)
+
+#include <boost/parameter/config.hpp>
+
+#if (BOOST_PARAMETER_MAX_ARITY < 2)
+#error Define BOOST_PARAMETER_MAX_ARITY as 2 or greater.
+#endif
+#if !defined(BOOST_PARAMETER_HAS_PERFECT_FORWARDING) && \
+    (BOOST_PARAMETER_EXPONENTIAL_OVERLOAD_THRESHOLD_ARITY < 2)
+#error Define BOOST_PARAMETER_EXPONENTIAL_OVERLOAD_THRESHOLD_ARITY \
+as 2 or greater.
+#endif
 
 #include <boost/parameter/preprocessor.hpp>
 #include <boost/parameter/name.hpp>
-#include <boost/type_traits/is_convertible.hpp>
+#include <boost/parameter/aux_/preprocessor/nullptr.hpp>
 #include <boost/tuple/tuple.hpp>
+#include <boost/core/enable_if.hpp>
 #include <string>
-#include "basics.hpp"
-#include <boost/utility/enable_if.hpp>
-
-namespace test {
-
-namespace mpl = boost::mpl;
-
-using mpl::_;
-using boost::is_convertible;
-
-BOOST_PARAMETER_NAME(x)
-
-// Sun has problems with this syntax:
-//
-//   template1< r* ( template2<x> ) >
-//
-// Workaround: factor template2<x> into a separate typedef
-
-#if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580))
-
-typedef is_convertible<_,char const*> predicate;
-
-BOOST_PARAMETER_FUNCTION((int), sfinae, tag,
-  (deduced
-     (optional (x, *(predicate), 0))
-  )
-)
-{
-    return 1;
-}
 
+#if defined(BOOST_PARAMETER_CAN_USE_MP11)
+#include <boost/mp11/utility.hpp>
+#include <type_traits>
 #else
-
-BOOST_PARAMETER_FUNCTION((int), sfinae, tag,
-  (deduced
-     (optional (x, *(is_convertible<_,char const*>), 0))
-  )
-)
-{
-    return 1;
-}
-
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/type_traits/is_convertible.hpp>
 #endif
 
-template<class A0>
-typename boost::enable_if<boost::is_same<int,A0>, int>::type
-sfinae(A0 const& a0)
-{
-    return 0;
-}
+namespace test {
 
+    BOOST_PARAMETER_NAME(x)
+
+#if defined(BOOST_PARAMETER_CAN_USE_MP11)
+    template <typename T, typename Args>
+    using predicate = std::is_convertible<T,char const*>;
+
+    BOOST_PARAMETER_FUNCTION((int), sfinae, test::tag,
+        (deduced
+            (optional
+                (x
+                  , *(boost::mp11::mp_quote<test::predicate>)
+                  , static_cast<char const*>(BOOST_PARAMETER_AUX_PP_NULLPTR)
+                )
+            )
+        )
+    )
+#else   // !defined(BOOST_PARAMETER_CAN_USE_MP11)
+    struct predicate
+    {
+        template <typename T, typename Args>
+        struct apply
+          : boost::mpl::if_<
+                boost::is_convertible<T,char const*>
+              , boost::mpl::true_
+              , boost::mpl::false_
+            >
+        {
+        };
+    };
+
+    BOOST_PARAMETER_FUNCTION((int), sfinae, test::tag,
+        (deduced
+            (optional
+                (x
+                  , *(test::predicate)
+                  , static_cast<char const*>(BOOST_PARAMETER_AUX_PP_NULLPTR)
+                )
+            )
+        )
+    )
+#endif  // BOOST_PARAMETER_CAN_USE_MP11
+    {
+        return 1;
+    }
+
+    template <typename A0>
+    typename boost::enable_if<
+#if defined(BOOST_PARAMETER_CAN_USE_MP11)
+        std::is_same<int,A0>
+#else
+        typename boost::mpl::if_<
+            boost::is_same<int,A0>
+          , boost::mpl::true_
+          , boost::mpl::false_
+        >::type
+#endif
+      , int
+    >::type
+        sfinae(A0 const& a0)
+    {
+        return 0;
+    }
 } // namespace test
 
+#include <boost/core/lightweight_test.hpp>
+
 int main()
 {
-    using namespace test;
-
-    assert(sfinae() == 1);
-    assert(sfinae("foo") == 1);
-    assert(sfinae(1) == 0);
-
-    return 0;
+    BOOST_TEST_EQ(1, test::sfinae());
+    BOOST_TEST_EQ(1, test::sfinae("foo"));
+    BOOST_TEST_EQ(0, test::sfinae(1));
+    return boost::report_errors();
 }