On Mon, Jan 19, 2015 at 11:21 PM, Dan Stromberg <drsali...@gmail.com> wrote:
> On Mon, Jan 19, 2015 at 6:46 PM, Mark Lawrence <breamore...@yahoo.co.uk> > wrote: > > On 20/01/2015 00:49, Dan Stromberg wrote: > >> > apropos of nothing, I went to stonybrook too. beee 1978 > >> On Mon, Jan 19, 2015 at 2:06 PM, Zachary Gilmartin > >> <zacharygilmar...@gmail.com> wrote: > >>> > >>> Why aren't there trees in the python standard library? > >> > >> > >> Trees are kind of specialized datastructures; no one type of tree > >> solves all tree-related problems suitably well. > >> > >> I think probably the most common need for a tree is implementing a > >> cache, but most times you're tempted to sort inside a loop you're > >> better off with a tree. > >> > >> I've put some time into python trees; most of them are on pypi and at: > >> http://stromberg.dnsalias.org/~dstromberg/datastructures/ > >> and: > >> > http://stromberg.dnsalias.org/~strombrg/python-tree-and-heap-comparison/ > >> > >> HTH > >> > > > > I don't know if you've seen this http://kmike.ru/python-data-structures/ > but > > maybe of interest. > > I've seen it. It's a nice page. > > I attempted to get my treap port in there since it has a Cython > version, but it didn't seem to take. > > I've mostly focused on pure python that runs on CPython 2.x, CPython > 3.x, Pypy, Pypy3 and Jython. > -- > https://mail.python.org/mailman/listinfo/python-list > -- Joel Goldstick http://joelgoldstick.com
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