second run througn the valid binary christmas tree kata
third attempt at the valid binary christmas tree kata, i like this solution
final attempt at the valid binary tree kata
incomplete attempt at the guess the gifts kata, pseudo code is ready
finished the guess-the-gifts kata, need to use the "some" array method in the next attempt
second attempt at the "guess the gifts" kata, next time try to use an array of property names for the comparison, is it too ugly?