Terry Reedy wrote: > "Neal Becker" <ndbecker2 at gmail.com> wrote in message > news:ebd2sp$nnv$1 at sea.gmane.org... >> class X (object): >> pass >> >> X() += 2 >> >>> SyntaxError: can't assign to function call >> >> Suppose I actually had defined __iadd__ for class X. Python says this >> syntax is invalid. I wish is wasn't. > > If you translate to x() = x() +2, with x called just once, it does not make > sense. You can bind to names and slots in compound objects, but not to > objects. This is similar to x = ([1], 2) x[0] += [2] which doesn't currently work either, though it could. Georg
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