I was following you right up till this bit: > > By the way, as previously noted > d[1, 2] > d[(1, 2)] > are at present equivalent. However, in the new syntax > d[1, 2, a=3] > d[(1, 2), a=3] > are not equivalent. (The first has three arguments, the second two, the > first of which is a tuple.) > > In the "New syntax", wouldn't these examples map to:
d[1, 2, a=3] => d.__getitem__((1, 2), a=3) and d[(1, 2), a=3] => d.__getitem__((1, 2), a=3) I.e. My understanding was that the existing conversion of all positional parameters in a subscript would be packed into a tuple (strictly for consistency with legacy behaviour) while any keywords would be passed as kwargs? Steve
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