is_empty_or_1.hpp File Reference

#include <msgpack/preprocessor/control/iif.hpp>
#include <msgpack/preprocessor/facilities/empty.hpp>
#include <msgpack/preprocessor/facilities/identity.hpp>
#include <msgpack/preprocessor/facilities/is_1.hpp>
#include <msgpack/preprocessor/facilities/is_empty.hpp>

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Macros
#define	MSGPACK_PP_IS_EMPTY_OR_1(x)

Macro Definition Documentation

MSGPACK_PP_IS_EMPTY_OR_1

#define MSGPACK_PP_IS_EMPTY_OR_1

(

x

)

Value:

    MSGPACK_PP_IIF( \
        MSGPACK_PP_IS_EMPTY(x MSGPACK_PP_EMPTY()), \
        MSGPACK_PP_IDENTITY(1), \
        MSGPACK_PP_IS_1 \
    )(x) \