#include <boost/preprocessor/config/config.hpp>

Macros | |
| #define | BOOST_PP_EXPR_IIF(bit, expr) BOOST_PP_EXPR_IIF_OO((bit, expr)) | 
| #define | BOOST_PP_EXPR_IIF_OO(par) BOOST_PP_EXPR_IIF_I ## par | 
| #define | BOOST_PP_EXPR_IIF_I(bit, expr) BOOST_PP_EXPR_IIF_ ## bit(expr) | 
| #define | BOOST_PP_EXPR_IIF_0(expr) | 
| #define | BOOST_PP_EXPR_IIF_1(expr) expr | 
| #define BOOST_PP_EXPR_IIF | ( | bit, | |
| expr | |||
| ) | BOOST_PP_EXPR_IIF_OO((bit, expr)) | 
| #define BOOST_PP_EXPR_IIF_0 | ( | expr | ) | 
| #define BOOST_PP_EXPR_IIF_1 | ( | expr | ) | expr | 
| #define BOOST_PP_EXPR_IIF_I | ( | bit, | |
| expr | |||
| ) | BOOST_PP_EXPR_IIF_ ## bit(expr) | 
| #define BOOST_PP_EXPR_IIF_OO | ( | par | ) | BOOST_PP_EXPR_IIF_I ## par |