Ron Adam a écrit :
> Raymond Hettinger wrote:
>>I forsee {} vs {/} as being a prominent entry on everyone's list of Python
>>pitfalls, faqs, and common errors. Maybe PyLint or PyChecker will be able to
>>scan to see how the object is used and determine whether the two were
>>mixed-up.
>>
>
> I think I really prefer the {:} for an empty dictionary, and {} for an
> empty set.
Actually I think we need both {/} as the empty set and {:} as the empty dict.
{} should raise SyntaxError, '{} is ambiguous, use {/} for set, {:} for dict'
If we decide to have both dict and set litteral, {} will *always* be ambiguous.
Lots of bugs can be avoided if we just forbid it.
Baptiste
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