[Python-Dev] Adding an rslice() builtin? (original) (raw)
Greg Ewing greg.ewing at canterbury.ac.nz
Tue Aug 29 11:37:47 CEST 2006
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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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