2012/10/29 andrea crotti <andrea.crott...@gmail.com>: >> > > Well sure but it doesn't modify the first object, just creates a new > one. There are in general good reasons to do that, for example I can > then compose things nicely: > > num.increment().increment() > > or I can parallelize operations safely not caring about the order of > operations. > > But while I do this all the time with more functional languages, I > don't tend to do exactly the same in Python, because I have the > impression that is not worth, but maybe I'm wrong..
By the way on this topic there is a great talk by the creator of Clojure: http://www.infoq.com/presentations/Value-Values -- http://mail.python.org/mailman/listinfo/python-list