Method create_state

src/db/db/dbLayoutQuery.cc:2920–2926

}

FilterStateBase *
FilterBase::create_state (const std::vector<FilterStateBase *> &followers, db::Layout *layout, tl::Eval &eval, bool /*single*/) const
{
  FilterStateBase *b = do_create_state (layout, eval);
  b->connect (followers);
  return b;
}

void 
FilterBase::connect (FilterBase *follower)