> Not all the world's a web page Did you really need that patronising statement? My point wasn't about memory usage, it was about development cost. The trans

> Not all the world's a web page Did you really need that patronising statement? My point wasn't about memory usage, it was about development cost. The transactional behaviour emerges by default from use of immutable structures. Any transactional system will have memory performance characteristics that are very similar to using immutable structures, if not worse, so your point was, well, pointless.