Function shared

gecode/set/rel-op/common.hpp:83–86

   */
  template<class View0, class View1, class View2>
  forceinline bool
  shared(View0 v0, View1 v1, View2 v2) {
    return shared(v0,v1) || shared(v0,v2) || shared(v1,v2);
  }

  template<class View0, class View1, class View2>
  ExecStatus interCard(Space& home,