#include <boost/preprocessor/config/config.hpp>#include <boost/preprocessor/control/if.hpp>#include <boost/preprocessor/facilities/empty.hpp>#include <boost/preprocessor/punctuation/paren.hpp>

Macros | |
| #define | BOOST_PP_LPAREN_IF(cond) BOOST_PP_LPAREN_IF_I(cond) |
| #define | BOOST_PP_LPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)() |
| #define | BOOST_PP_RPAREN_IF(cond) BOOST_PP_RPAREN_IF_I(cond) |
| #define | BOOST_PP_RPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)() |
| #define BOOST_PP_LPAREN_IF | ( | cond | ) | BOOST_PP_LPAREN_IF_I(cond) |
| #define BOOST_PP_LPAREN_IF_I | ( | cond | ) | BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)() |
| #define BOOST_PP_RPAREN_IF | ( | cond | ) | BOOST_PP_RPAREN_IF_I(cond) |
| #define BOOST_PP_RPAREN_IF_I | ( | cond | ) | BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)() |