Here is a related article for anyone curious about, or who uses, persistent/immutable data structures: http://concurrencyfreaks.blogspot.nl/2013/10/immutable-d

Here is a related article for anyone curious about, or who uses, persistent/immutable data structures: http://concurrencyfreaks.blogspot.nl/2013/10/immutable-data-structures-are-not-as.html http://concurrencyfreaks.blogspot.nl/2013/10/immutable-data-...