Dan Stromberg drsalists at
Tue Jan 20 05:21:52 CET 2015

On Mon, Jan 19, 2015 at 6:46 PM, Mark Lawrence <breamoreboy at> wrote:
> On 20/01/2015 00:49, Dan Stromberg wrote:
>> On Mon, Jan 19, 2015 at 2:06 PM, Zachary Gilmartin
>> <zacharygilmartin at> 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:
>> and:
>> HTH
> I don't know if you've seen this 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.

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