bool equals()

in lib/src/equality.dart [31:62]

• 26 lines of code
• 14 McCabe index (conditional complexity)

  bool equals(Object? obj1, Object? obj2) {
    if (obj1 is YamlScalar) obj1 = obj1.value;
    if (obj2 is YamlScalar) obj2 = obj2.value;

    // _parents1 and _parents2 are guaranteed to be the same size.
    for (var i = 0; i < _parents1.length; i++) {
      var loop1 = identical(obj1, _parents1[i]);
      var loop2 = identical(obj2, _parents2[i]);
      // If both structures loop in the same place, they're equal at that point
      // in the structure. If one loops and the other doesn't, they're not
      // equal.
      if (loop1 && loop2) return true;
      if (loop1 || loop2) return false;
    }

    _parents1.add(obj1);
    _parents2.add(obj2);
    try {
      if (obj1 is List && obj2 is List) {
        return _listEquals(obj1, obj2);
      } else if (obj1 is Map && obj2 is Map) {
        return _mapEquals(obj1, obj2);
      } else if (obj1 is num && obj2 is num) {
        return _numEquals(obj1, obj2);
      } else {
        return obj1 == obj2;
      }
    } finally {
      _parents1.removeLast();
      _parents2.removeLast();
    }
  }