[Boost-commit] svn:boost r70655 - trunk/boost/spirit/home/support

Subject: [Boost-commit] svn:boost r70655 - trunk/boost/spirit/home/support
From: hartmut.kaiser_at_[hidden]
Date: 2011-03-27 22:10:42

Author: hkaiser
Date: 2011-03-27 22:10:42 EDT (Sun, 27 Mar 2011)
New Revision: 70655
URL: http://svn.boost.org/trac/boost/changeset/70655

Log:
Spirit: fixing a container attribute handling problem
Text files modified: 
   trunk/boost/spirit/home/support/attributes.hpp |     8 ++++++++                                
   1 files changed, 8 insertions(+), 0 deletions(-)

Modified: trunk/boost/spirit/home/support/attributes.hpp
==============================================================================
--- trunk/boost/spirit/home/support/attributes.hpp	(original)
+++ trunk/boost/spirit/home/support/attributes.hpp	2011-03-27 22:10:42 EDT (Sun, 27 Mar 2011)
@@ -109,6 +109,14 @@
       : is_weak_substitute<T, Expected> {};
 
     template <typename T, typename Expected>
+    struct is_weak_substitute<optional<T>, Expected>
+      : is_weak_substitute<T, Expected> {};
+
+    template <typename T, typename Expected>
+    struct is_weak_substitute<T, optional<Expected> >
+      : is_weak_substitute<T, Expected> {};
+
+    template <typename T, typename Expected>
     struct is_weak_substitute<T, Expected,
         typename enable_if<
             mpl::and_<