Why does this list swap fail?
Rob Gaddi
rgaddi at highlandtechnology.invalid
Mon Nov 14 14:07:36 EST 2016
380162267qq at gmail.com wrote:
> L=[2,1]
> L[0],L[L[0]-1]=L[L[0]-1],L[0]
>
> The L doesn't change. Can someone provide me the detail procedure of this expression?
Better question: Why does that list swap exist? If you're just trying
to put the language through its paces that's one thing, but I certainly
hope that's not actually going to be production code. Even if it were
right it's unreadable.
--
Rob Gaddi, Highland Technology -- www.highlandtechnology.com
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