#include <boost/preprocessor/config/config.hpp>#include <boost/preprocessor/control/expr_iif.hpp>#include <boost/preprocessor/logical/bool.hpp>

Macros | |
| #define | BOOST_PP_EXPR_IF(cond, expr) BOOST_PP_EXPR_IF_I(cond, expr) |
| #define | BOOST_PP_EXPR_IF_I(cond, expr) BOOST_PP_EXPR_IIF(BOOST_PP_BOOL(cond), expr) |
| #define BOOST_PP_EXPR_IF | ( | cond, | |
| expr | |||
| ) | BOOST_PP_EXPR_IF_I(cond, expr) |
| #define BOOST_PP_EXPR_IF_I | ( | cond, | |
| expr | |||
| ) | BOOST_PP_EXPR_IIF(BOOST_PP_BOOL(cond), expr) |