hasEdgeTo abstract method

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

Determine if there is such a valued directed link

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

Implementation

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