3 ms·
They are unordered. For certain types of updates, the order is immaterial and a hash of attributes could be applied. On the other hand, if you are mutating a tr
by raganwald 15y ago
They are unordered. For certain types of updates, the order is immaterial and a hash of attributes could be applied. On the other hand, if you are mutating a tree as you go along, the order is important and you want to call methods and/or functions to traverse and apply side-effects.