[Dir] Traits

[File] Arr.php

[File] Collection.php

[File] composer.json

[File] Enumerable.php

[File] helpers.php

[File] HigherOrderCollectionProxy.php

[File] HigherOrderWhenProxy.php

[File] ItemNotFoundException.php

[File] LazyCollection.php

[File] LICENSE.md

[File] MultipleItemsFoundException.php