Skip to main content

An Ordered Set implementation in Cython.

Project description

Ordered Set

.. image::

.. image::<your github username>/orderedset.png?branch=master
:target:<your github username>/orderedset

.. image::

An Ordered Set implementation in Cython. Based on `Raymond Hettinger's OrderedSet recipe`_.


>>> from orderedset import OrderedSet
>>> oset = OrderedSet([1, 2, 3])
>>> oset
OrderedSet([1, 2, 3])
>>> oset | [5, 4, 3, 2, 1]
OrderedSet([1, 2, 3, 5, 4])

* Free software: BSD license
* Documentation:


* Works like a regular set, but remembers insertion order;
* Is approximately 5 times faster than the pure Python implementation overall
(and 5 times slower than :class:`set`);
* Compatible with Python 2.6 through 3.4.;
* Supports the full set interface;
* Supports some list methods, like :meth:`index` and :meth:`__getitem__`.

.. _`Raymond Hettinger's OrderedSet recipe`:


Here's the recent changes to Ordered Set.

.. changelog::
:version: 1.0
:released: 2014-05-11

.. change::
:tags: general

First implementation.

Project details

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

orderedset-1.0.tar.gz (63.4 kB view hashes)

Uploaded Source

Supported by

AWS AWS Cloud computing and Security Sponsor Datadog Datadog Monitoring Fastly Fastly CDN Google Google Download Analytics Microsoft Microsoft PSF Sponsor Pingdom Pingdom Monitoring Sentry Sentry Error logging StatusPage StatusPage Status page