[Boost-commit] svn:boost r71893 - trunk/boost/signals2/detail

Subject: [Boost-commit] svn:boost r71893 - trunk/boost/signals2/detail
From: fmhess_at_[hidden]
Date: 2011-05-12 10:43:26

Author: fmhess
Date: 2011-05-12 10:43:25 EDT (Thu, 12 May 2011)
New Revision: 71893
URL: http://svn.boost.org/trac/boost/changeset/71893

Log:
Use BOOST_PP_EXPR_IF instead of BOOST_PP_IF with BOOST_PP_EMPTY.

Text files modified: 
   trunk/boost/signals2/detail/signal_template.hpp |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: trunk/boost/signals2/detail/signal_template.hpp
==============================================================================
--- trunk/boost/signals2/detail/signal_template.hpp	(original)
+++ trunk/boost/signals2/detail/signal_template.hpp	2011-05-12 10:43:25 EDT (Thu, 12 May 2011)
@@ -326,7 +326,7 @@
 // typename add_reference<T1>::type arg1, typename add_reference<T2>::type arg2, ..., typename add_reference<Tn>::type argn
 #define BOOST_SIGNALS2_ADD_REF_ARGS(arity) \
   BOOST_PP_ENUM(arity, BOOST_SIGNALS2_ADD_REF_ARG, ~)
-          slot_invoker(BOOST_SIGNALS2_ADD_REF_ARGS(BOOST_SIGNALS2_NUM_ARGS)) BOOST_PP_IF(BOOST_SIGNALS2_NUM_ARGS, :, BOOST_PP_EMPTY)
+          slot_invoker(BOOST_SIGNALS2_ADD_REF_ARGS(BOOST_SIGNALS2_NUM_ARGS)) BOOST_PP_EXPR_IF(BOOST_SIGNALS2_NUM_ARGS, :)
 #undef BOOST_SIGNALS2_ADD_REF_ARGS
 
 // m_argn