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@ -80,12 +80,23 @@ template <typename T> static inline T delta(T a, T b) { return a < b ? b - a : a
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/** Informative template class exposing basic enumeration properties used by several
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* other templates below. Here we have only forward declaration. For each enum type
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* we will create specialization derived from MakeEnumPropsT<>. */
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* we will create specialization derived from MakeEnumPropsT<>.
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* i.e.:
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* template <> struct EnumPropsT<Track> : MakeEnumPropsT<Track, byte, TRACK_BEGIN, TRACK_END, INVALID_TRACK> {};
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* followed by:
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* typedef TinyEnumT<Track> TrackByte;
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*/
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template <typename Tenum_t> struct EnumPropsT;
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/** Helper template class that makes basic properties of given enumeration type visible
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* from outsize. It is used as base class of several EnumPropsT specializations each
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* dedicated to one of commonly used enumeration types. */
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* dedicated to one of commonly used enumeration types.
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* @param Tenum_t enumeration type that you want to describe
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* @param Tstorage_t what storage type would be sufficient (i.e. byte)
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* @param Tbegin first valid value from the contiguous range (i.e. TRACK_BEGIN)
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* @param Tend one past the last valid value from the contiguous range (i.e. TRACK_END)
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* @param Tinvalid value used as invalid value marker (i.e. INVALID_TRACK)
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*/
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template <typename Tenum_t, typename Tstorage_t, Tenum_t Tbegin, Tenum_t Tend, Tenum_t Tinvalid>
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struct MakeEnumPropsT {
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typedef Tenum_t type; ///< enum type (i.e. Trackdir)
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