Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
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+
+// (C) Copyright Tobias Schwinger
+//
+// Use modification and distribution are subject to the boost Software License,
+// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
+
+//------------------------------------------------------------------------------
+
+#ifndef BOOST_FT_RESULT_TYPE_HPP_INCLUDED
+#define BOOST_FT_RESULT_TYPE_HPP_INCLUDED
+
+#include <boost/blank.hpp>
+#include <boost/mpl/if.hpp>
+
+#include <boost/mpl/aux_/lambda_support.hpp>
+
+#include <boost/mpl/at.hpp>
+
+#include <boost/function_types/is_callable_builtin.hpp>
+#include <boost/function_types/components.hpp>
+
+namespace boost 
+{ 
+  namespace function_types 
+  {
+    template< typename T > struct result_type;
+
+    namespace detail
+    {
+      template<typename T> struct result_type_impl
+        : mpl::at_c
+          < typename function_types::components<T>::types, 0 >
+      { };
+    }
+
+    template<typename T> struct result_type
+      : mpl::if_
+        < function_types::is_callable_builtin<T>
+        , detail::result_type_impl<T>, boost::blank
+        >::type
+    { 
+      BOOST_MPL_AUX_LAMBDA_SUPPORT(1,result_type,(T)) 
+    };
+  }
+}
+
+#endif
+