Method CheckForUnknownExact

eval/eval/attribute_utility.h:113–115

Checks whether trail corresponds to any patterns that identify unknowns. Only matches exactly (exact attribute match for self or parent).

  // Checks whether trail corresponds to any patterns that identify
  // unknowns. Only matches exactly (exact attribute match for self or parent).
  bool CheckForUnknownExact(const AttributeTrail& trail) const {
    return CheckForUnknown(trail, false);
  }

  // Checks whether trail corresponds to any patterns that define unknowns.
  // Matches if a parent or any descendant (select or index of) the attribute.