message: athena.paxos.Server: Make the state accessible.
diff: @@ -241,7 +241,7 @@ namespace elle
  serialize(elle::serialization::Serializer& s, elle::Version const& v);
  using serialization_tag = elle::serialization_tag;
  };
  - ELLE_ATTRIBUTE(boost::optional<VersionState>, state);
  + ELLE_ATTRIBUTE_R(boost::optional<VersionState>, state);
  private:
  struct _Details;
  