[erlang-questions] Does Erlang pure functional programming language?

Jon Watte jwatte@REDACTED
Mon Jan 23 18:28:25 CET 2012

What does "pure" mean anyway?
The reason we run computer programs is to enjoy their side effects.
If a program does not change some observable state (display, disk, network,
etc) then that program is useless to any user.
This is why every functional language actually used to build applications
has some way of dealing with (and generating) side effects.



Americans might object: there is no way we would sacrifice our living
standards for the benefit of people in the rest of the world. Nevertheless,
whether we get there willingly or not, we shall soon have lower consumption
rates, because our present rates are unsustainable.

On Thu, Jan 19, 2012 at 6:42 AM, Abdul Fattah Mahran <abdoo.mahran@REDACTED
> wrote:

> Hi All,
> I want to know if Erlang pure functional programming language or not? I
> can't find a clear document that states this. If someone can tell where I
> can find this information in Erlang documentation it will help a lot.
> Thanks
> Best Regards,
> Abd El-Fattah Mahran
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> erlang-questions mailing list
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