hasLinkTo abstract method

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

Determine if there is such a directed link

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

Implementation

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