| ⇢ | A | SecretSanta::tryMatchSecretSantaPlayers() added | |
| ⇢ | A | SecretSanta::isValidSecretSanta() added | |
| ⇢ | A | SecretSanta::associatePlayers() added | |
| ⇢ | A | PlayersCollection::areDifferentPlayers() added | |
| C | ↗ | B | SecretSanta::combinePlayers() improved |
| A | ↛ | PlayersCollection::current() removed | |
| A | ↛ | PlayersCollection::next() removed | |
| A | ↛ | PlayersCollection::key() removed | |
| A | ↛ | PlayersCollection::valid() removed | |
| A | ↛ | PlayersCollection::rewind() removed |