Nick Coghlan wrote:

>    reversed(seq[start:stop:step]) becomes 
> seq[(stop-1)%abs(step):start-1:-step]
> 
> An rslice builtin would make the latter version significantly easier to read:
> 
>    seq[rslice(start, stop, step)]

How would this deal with omitted start and/or stop values?

--
Greg
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