@marcan42 I haven't tested it, but I think you can turn this into a one-liner:
i = a_dict.setdefault(i, i)
I just wrote this Python code. Can you figure out why? # i is an integer if i not in a_dict: a_dict[i] = i i = a_dict[i] # now use i
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@mcpowr That sounds right, but given the subtlety I wanted to make sure I know exactly what happens. Note: I don't use a_dict elsewhere. - Show replies
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@Achifaifa Nope. a_dict is initialized to an empty dict and not used anywhere else in the code.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@marcan42 Integer caching a la CPython on some other interpreter? -
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@saghul You got it, except this is in fact CPython, and CPython does _not_ cache (non-small) integers! That's the problem I was solving. - Show replies
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@marcan42 Does the code trick python into keeping a reference to i?Thanks. Twitter will use this to make your timeline better. UndoUndo
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