.. include:: <mmlalias.txt>

Closures (Slideshow)
====================

.. contents::
   :local:

History
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* `Wikipedia
  <https://en.wikipedia.org/wiki/Closure_(computer_programming)>`__
* "A record storing a function together with an environment"

  * That is pretty much it!

* Dates back to early functional languages

  * LISP
  * Scheme

Today
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* Also available in modern languages

  * Javascript
  * C++: explicit capturing in *lambdas*
  * C#

* Definitely not unique to Python

  * Although Wikipedia start out with Python examples