update boost

linx64/include/boost/tti/detail/dmacro_fun_template.hpp

@@ -0,0 +1,40 @@
+
+//  (C) Copyright Edward Diener 2019
+//  Use, modification and distribution are 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).
+
+#if !defined(BOOST_TTI_DETAIL_MACRO_FUN_TEMPLATE_HPP)
+#define BOOST_TTI_DETAIL_MACRO_FUN_TEMPLATE_HPP
+
+#include <boost/preprocessor/comparison/equal.hpp>
+#include <boost/preprocessor/control/iif.hpp>
+#include <boost/preprocessor/logical/and.hpp>
+#include <boost/preprocessor/variadic/elem.hpp>
+#include <boost/preprocessor/variadic/size.hpp>
+#include <boost/preprocessor/variadic/to_array.hpp>
+#include <boost/preprocessor/detail/is_binary.hpp>
+#include <boost/tti/detail/dmacro_fve.hpp>
+
+#define BOOST_TTI_DETAIL_FUN_TEMPLATE_VARIADIC_TO_ARRAY(...) \
+  BOOST_PP_IIF \
+    ( \
+    BOOST_PP_AND \
+      ( \
+      BOOST_PP_EQUAL \
+        ( \
+        BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
+        1 \
+        ), \
+      BOOST_PP_IS_BINARY \
+        ( \
+        BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__) \
+        ) \
+      ), \
+    BOOST_TTI_DETAIL_FIRST_VARIADIC_ELEM, \
+    BOOST_PP_VARIADIC_TO_ARRAY \
+    ) \
+  (__VA_ARGS__) \
+/**/
+
+#endif // BOOST_TTI_DETAIL_MACRO_FUN_TEMPLATE_HPP