Of what use is 'lambda'???

[Grant Edwards]

In article <cFAz5.908$ve5.58359 at news-east.usenetserver.com>, Kragen Sitaker wrote:

>>In a functional language, unlike C or Python, there are no side
>>effects;
>
>Which means that if something doesn't return a value you care about,
>you might as well not have executed it.

Which means that you can not do things like like file-system or
network operations (or even console I/O) in a strictly
functionaly language.   Right?

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