Re: (side-)effects and ...

Date	2015-07-05 15:37 -0500
From	Tim Chase <python.list@tim.thechases.com>
Subject	Re: (side-)effects and ...
References	<effects-20150705220525@ram.dialup.fu-berlin.de> <20150705153625.263a3b21@bigbox.christie.dr>
Newsgroups	comp.lang.python
Message-ID	<mailman.306.1436133359.3674.python-list@python.org> (permalink)

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On 2015-07-05 15:36, Tim Chase wrote:
> On 2015-07-05 20:29, Stefan Ram wrote:
> >   But why do we not have a common and well-known term for
> >   the counterpart, that something does not modify the state
> >   of the world, but that the state of the world does 
> >   influence the value (behaviour) of a call such as
> >   »datetime.datetime.now().time()«?
> 
> I believe the term is "idempotent"
> 
> https://en.wikipedia.org/wiki/Idempotent_function#Computer_science_meaning

Though I've also heard the term "pure function" for a similar meaning.

https://en.wikipedia.org/wiki/Pure_function

-tkc

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Re: (side-)effects and ... Tim Chase <python.list@tim.thechases.com> - 2015-07-05 15:37 -0500

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