Method valid

libraries/lib-track/Track.h:658–665

Test satisfaction of the invariant, while initializing, incrementing, or decrementing

   //! Test satisfaction of the invariant, while initializing, incrementing, or decrementing
   bool valid() const
   {
      // assume mIter != mEnd
      const auto pTrack = track_cast< TrackType * >( &**this->mIter );
      if (!pTrack)
         return false;
      return !this->mPred || this->mPred( pTrack );
   }

   //! This friendship is needed in TrackIterRange::StartingWith and TrackIterRange::EndingAfter()
   friend TrackIterRange< TrackType >;