From 1ef5f459e2d0d6917d2910562d41554c75e63f27 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 18 Jul 2003 03:48:17 +0000
Subject: [PATCH] sig needs to be a friend of functionN

[SVN r19174]
---
 include/boost/function/function_template.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/function/function_template.hpp b/include/boost/function/function_template.hpp
index 1faa00d..9d1f2d9 100644
--- a/include/boost/function/function_template.hpp
+++ b/include/boost/function/function_template.hpp
@@ -254,6 +254,7 @@ namespace boost {
     {
       typedef internal_result_type type;
     };
+    friend struct sig;
 
 #if BOOST_FUNCTION_NUM_ARGS == 1
     typedef T0 argument_type;