Method ClearPendingTracks

libraries/lib-track/PendingTracks.cpp:197–224

! @excsafety{No-fail} */

/*! @excsafety{No-fail} */
void PendingTracks::ClearPendingTracks(
   std::vector<std::shared_ptr<Track>> *pAdded)
{
   mUpdaters.clear();
   mPendingUpdates->Clear();

   if (pAdded)
      pAdded->clear();

   auto [it, end] = mTracks.Any();
   while (it != end) {
      const auto pTrack = *it;
      ++it;
      if (pTrack->GetId() == TrackId{}) {
         if (pAdded)
            pAdded->emplace_back(mTracks.Remove(*pTrack));
      }
      else {
         if (pAdded)
            pAdded->push_back(nullptr);
      }
   }

   if (pAdded)
      // Remove trailing nulls
      while (!pAdded->empty() && !pAdded->back())
         pAdded->pop_back();
}

/*! @excsafety{Strong} */
bool PendingTracks::ApplyPendingTracks()