[Boost-commit] svn:boost r45229 - branches/proto/v4/boost/proto

From: eric_at_[hidden]
Date: 2008-05-08 17:24:38

Author: eric_niebler
Date: 2008-05-08 17:24:38 EDT (Thu, 08 May 2008)
New Revision: 45229
URL: http://svn.boost.org/trac/boost/changeset/45229

Log:
is_expr<> tweak
Text files modified: 
   branches/proto/v4/boost/proto/traits.hpp |     5 +++++                                   
   1 files changed, 5 insertions(+), 0 deletions(-)

Modified: branches/proto/v4/boost/proto/traits.hpp
==============================================================================
--- branches/proto/v4/boost/proto/traits.hpp	(original)
+++ branches/proto/v4/boost/proto/traits.hpp	2008-05-08 17:24:38 EDT (Thu, 08 May 2008)
@@ -194,6 +194,11 @@
             struct is_expr<T, typename T::proto_is_expr_>
               : mpl::true_
             {};
+            
+            template<typename T>
+            struct is_expr<T &, void>
+              : is_expr<T>
+            {};
 
             /// \brief A metafunction that returns the tag type of a
             /// Proto expression.