unSetTo method

bool unSetTo (
  1. dynamic from,
  2. dynamic to,
  3. dynamic key,
  4. {List anyTags,
  5. List allTags}

Remove a valued directed link, but will not remove from and to

(Optional) Only if it matches any of anyTags and matches all items in allTags


bool unSetTo(from, to, key, {List anyTags, List allTags});