range_for.hpp File Reference

Macros
#define	RANGES_FOR(VAR_DECL, ...)
	A range-based for macro, basically a hack until the built-in range-for can handle Ranges that have a different type for begin and end. More...

Macro Definition Documentation

RANGES_FOR

#define RANGES_FOR	(		VAR_DECL,
			...
	)

Value:

    if(bool CPP_PP_CAT(_range_v3_done, __LINE__) = false) {}                   \
    else                                                                       \
        for(auto && CPP_PP_CAT(_range_v3_rng, __LINE__) = (__VA_ARGS__);       \
            !CPP_PP_CAT(_range_v3_done, __LINE__);)                            \
            for(auto CPP_PP_CAT(_range_v3_begin, __LINE__) =                   \
                    ranges::begin(CPP_PP_CAT(_range_v3_rng, __LINE__));        \
                !CPP_PP_CAT(_range_v3_done, __LINE__);                         \
                CPP_PP_CAT(_range_v3_done, __LINE__) = true)                   \
                for(auto CPP_PP_CAT(_range_v3_end, __LINE__) =                 \
                        ranges::end(CPP_PP_CAT(_range_v3_rng, __LINE__));      \
                    !CPP_PP_CAT(_range_v3_done, __LINE__) &&                   \
                    CPP_PP_CAT(_range_v3_begin, __LINE__) !=                   \
                        CPP_PP_CAT(_range_v3_end, __LINE__);                   \
                    ++CPP_PP_CAT(_range_v3_begin, __LINE__))                   \
                    if(!(CPP_PP_CAT(_range_v3_done, __LINE__) = true)) {}      \
                    else                                                       \
                        for(VAR_DECL = *CPP_PP_CAT(_range_v3_begin, __LINE__); \
                            CPP_PP_CAT(_range_v3_done, __LINE__);              \
                            CPP_PP_CAT(_range_v3_done, __LINE__) = false)      \

A range-based for macro, basically a hack until the built-in range-for can handle Ranges that have a different type for begin and end.