Re: idempotent (was Re: exif --remove not idempotent, and a Debian man page bug)
The Wanderer wrote:
> If the nature of operation O is such that objects B and
> C are guaranteed to always be identical, no matter what
> object A was, then operation O is categorized as
> being idempotent.
It has to do with the number of times it is applied,
abs(x) = abs(abs(x)) = abs..(abs(abs(x)))
The same!
This is the math definition, my use case of the word was
applied programming so it cannot be _exactly_ like that.
Well, maybe in Haskell it can ...
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