2016-05-20 9:24 GMT+02:00 Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com>:

> +1
>
> I presume copyChain is a bit more expensive than copy (I didn’t measure it
> though). More expensive but allways correct.
>
>
> If the inexpensive copy is used extensively, and my suggestion is a
> performance killer, then let’s keep current solution: cleverly use
> expensive copy exactly where we now we are going to need it. Otherwise, I
> suggest renaming copyChain into copy, and hence have something much more
> robust.
>
> where we know... Gah
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