[rust-dev] Swapping elements in a vec

Florian Weimer fw at deneb.enyo.de
Mon Feb 28 11:09:51 PST 2011

* Sebastian Sylvan:

> I think that if Haskell allows it, it's unlikely to be an issue even for
> purists. :-)

Haskell has potential side effects at every pattern match, so it can
hardly be used as a reference point for purity.

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