From ec8932d6a11977136516fb2b7a3e3015cab0c3ac Mon Sep 17 00:00:00 2001
From: frsyuki <frsyuki@users.sourceforge.jp>
Date: Thu, 6 Aug 2009 13:28:41 +0900
Subject: [PATCH] fix missing tuple<>::value_type

---
 cpp/type/tuple.hpp.erb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/type/tuple.hpp.erb b/cpp/type/tuple.hpp.erb
index 586d84c7..0105febd 100644
--- a/cpp/type/tuple.hpp.erb
+++ b/cpp/type/tuple.hpp.erb
@@ -103,6 +103,7 @@ tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_tuple(typename tuple_type<A0>::tr
 
 template <>
 struct tuple<> {
+	typedef tuple<> value_type;
 };
 <%0.upto(GENERATION_LIMIT) {|i|%>
 template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>