I needed a while to find out what happened. Nice trick.

To make it easier for other readers: The difference is that in the No_Side_Effects version @_ gets overwritten thereby destroying the aliasing between the function arguments and @_.

I can't see any gotchas, but that doesn't mean much.

In reply to Re: Messing with @_ by jethro
in thread Messing with @_ by TGI

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