From 372d08277f9abdffffd7db0d1f725c93baf00aee Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 7 Nov 2003 00:23:00 +0000
Subject: [PATCH] Commit unary_traits/binary_traits compatibility patch by
 Thomas Witt

[SVN r20712]
---
 include/boost/type_traits/function_traits.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/type_traits/function_traits.hpp b/include/boost/type_traits/function_traits.hpp
index ebd0e10..202c660 100644
--- a/include/boost/type_traits/function_traits.hpp
+++ b/include/boost/type_traits/function_traits.hpp
@@ -37,6 +37,7 @@ struct function_traits_helper<R (*)(T1)>
   BOOST_STATIC_CONSTANT(int, arity = 1);
   typedef R result_type;
   typedef T1 arg1_type;
+  typedef T1 argument_type;
 };
 
 template<typename R, typename T1, typename T2>
@@ -46,6 +47,8 @@ struct function_traits_helper<R (*)(T1, T2)>
   typedef R result_type;
   typedef T1 arg1_type;
   typedef T2 arg2_type;
+  typedef T1 first_argument_type;
+  typedef T2 second_argument_type;
 };
 
 template<typename R, typename T1, typename T2, typename T3>