Antoon Pardon wrote: > Op 2005-04-21, Reinhold Birkenfeld schreef <[EMAIL PROTECTED]>: >> Antoon Pardon wrote: >> >>> I sometimes think python should have been more explicite here, >>> using a marker for the start-index and end-index, may '^' and >>> '$'. So if you wanted the last element you had to write: >>> >>> lst[$] >>> >>> And for the next to last element: >>> >>> lst[$ - 1] >>> >>> >>> This would make accessing list elements counted from the rear >>> almost just as easy as it is now but wouldn't interfere with >>> the ask forgiveness programming style. >> >> How would you pass this argument to __getitem__? > > Well assuming lst.last, was the last index of lst, __getitem__ > would get lst.last and lst.last - 1 passed.
Then it would be an alias for len(lst)-1 ? >> What would be allowed, only '$-x' or also '$+x' or what else? > > Any expression where an int is allowed. Okay. >> What type would '$' be? > > It would be an int. Where would it be allowed? Only in subscriptions? Reinhold -- http://mail.python.org/mailman/listinfo/python-list
