is_empty.hpp File Reference

#include <boost/preprocessor/config/config.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/detail/split.hpp>

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Macros
#define	BOOST_PP_IS_EMPTY(x)   BOOST_PP_IS_EMPTY_I((BOOST_PP_IS_EMPTY_HELPER x ()))
#define	BOOST_PP_IS_EMPTY_I(par)   BOOST_PP_IS_EMPTY_II ## par
#define	BOOST_PP_IS_EMPTY_II(test)   BOOST_PP_SPLIT(0, BOOST_PP_CAT(BOOST_PP_IS_EMPTY_DEF_, test))
#define	BOOST_PP_IS_EMPTY_HELPER()   1
#define	BOOST_PP_IS_EMPTY_DEF_1   1, BOOST_PP_NIL
#define	BOOST_PP_IS_EMPTY_DEF_BOOST_PP_IS_EMPTY_HELPER   0, BOOST_PP_NIL

Macro Definition Documentation

#define BOOST_PP_IS_EMPTY

(

x

)

BOOST_PP_IS_EMPTY_I((BOOST_PP_IS_EMPTY_HELPER x ()))

#define BOOST_PP_IS_EMPTY_DEF_1   1, BOOST_PP_NIL

#define BOOST_PP_IS_EMPTY_DEF_BOOST_PP_IS_EMPTY_HELPER   0, BOOST_PP_NIL

#define BOOST_PP_IS_EMPTY_HELPER

(

)

1

#define BOOST_PP_IS_EMPTY_I

(

par

)

BOOST_PP_IS_EMPTY_II ## par

#define BOOST_PP_IS_EMPTY_II

(

test

)

BOOST_PP_SPLIT(0, BOOST_PP_CAT(BOOST_PP_IS_EMPTY_DEF_, test))