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c++ Programming Glossary: range_boolhttp://stackoverflow.com/questions/11781584/safe-bool-idiom-in-boost #include boost range detail safe_bool.hpp class range_bool public range_bool int x x_ x private None of these are required.. boost range detail safe_bool.hpp class range_bool public range_bool int x x_ x private None of these are required but makes the.. cleaner. typedef boost range_detail safe_bool int range_bool safe_bool_t typedef safe_bool_t unspecified_bool_type unspecified_bool_type..
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