From f3aac4d147c97836ff650a6598cad95556e356ac Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 21 Aug 2018 07:25:43 -0600
Subject: [PATCH] Add the missing implementation of a function.

---
 include/deal.II/particles/particle_accessor.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/deal.II/particles/particle_accessor.h b/include/deal.II/particles/particle_accessor.h
index 62340c4b16..2d74711b07 100644
--- a/include/deal.II/particles/particle_accessor.h
+++ b/include/deal.II/particles/particle_accessor.h
@@ -220,6 +220,19 @@ namespace Particles
     template <int, int>
     friend class ParticleHandler;
   };
+
+
+
+  template <int dim, int spacedim>
+  template <class Archive>
+  void
+  ParticleAccessor<dim, spacedim>::serialize(Archive &          ar,
+                                             const unsigned int version)
+  {
+    return particle->second.serialize(ar, version);
+  }
+
+
 } // namespace Particles
 
 DEAL_II_NAMESPACE_CLOSE
-- 
2.39.5