On Dec 16, 10:39 am, Brendan Miller <catph...@catphive.net> wrote: > I was trying to reimplement some of the c++ library of generic > algorithms in c++ in python, but I was finding that this is > problematic to do this in a generic way because there isn't any > equivalent of c++'s forward iterators, random access iterators, etc. > i.e. all python iterators are just input iterators that can't mutate > the sequence they iterate over nor move backwards or by an arbitrary > offset.
You might be interested in this library <http://pypi.python.org/pypi/ stream>. You can easily create arbitrary "slice", for example i = mylist >> takei(primes()) will return an iterator over the items of mylist with a prime number index, given that primes() return an iterator over prime numbers. I'm not familiar with forward/random-access/bidirectional iterators. -- http://mail.python.org/mailman/listinfo/python-list
