diff options
Diffstat (limited to 'boost/preprocessor/facilities/is_empty_or_1.hpp')
| -rw-r--r-- | boost/preprocessor/facilities/is_empty_or_1.hpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/boost/preprocessor/facilities/is_empty_or_1.hpp b/boost/preprocessor/facilities/is_empty_or_1.hpp index baa5da9a65..815666fccc 100644 --- a/boost/preprocessor/facilities/is_empty_or_1.hpp +++ b/boost/preprocessor/facilities/is_empty_or_1.hpp @@ -14,6 +14,7 @@ # # include <boost/preprocessor/control/iif.hpp> # include <boost/preprocessor/facilities/empty.hpp> +# include <boost/preprocessor/facilities/identity.hpp> # include <boost/preprocessor/facilities/is_1.hpp> # include <boost/preprocessor/facilities/is_empty.hpp> # @@ -22,7 +23,7 @@ # define BOOST_PP_IS_EMPTY_OR_1(x) \ BOOST_PP_IIF( \ BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()), \ - 1 BOOST_PP_EMPTY, \ + BOOST_PP_IDENTITY(1), \ BOOST_PP_IS_1 \ )(x) \ /**/ |