[Python-ideas] Adding "Typed" collections/iterators to Python
storchaka at gmail.com
Mon Dec 19 09:33:40 CET 2011
19.12.11 01:28, Nathan Rice написав(ла):
> L2 = [X(e) for e in L1]
> L3 = [Y(e) for e in L2]
> L2 = X(L1) # assuming X has been updated to work in both vector/scalar
> L3 = Y(L2) # context...
L = ['a', 'bc', ['ada', 'a']]
What is len(L)? 3 or [1, 2, 2] or [1, 2, [3, 1]]?
> L2 = [Z(Y(X(e))) for e in L1]
> L2 = Z(Y(X(L1)))
> L2 = [e.X().Y().Z() for e in L1]
> L2 = L1.X().Y().Z() # assuming vectorized versions of member methods
> #are folded into the collection via the mixin.
What is L.count('a')? 1 or [1, 0, 1] or [1, 0, [2, 1]]?
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