Op 2005-01-18, Simon Brunning schreef <[EMAIL PROTECTED]>:
> On 18 Jan 2005 07:51:00 GMT, Antoon Pardon <[EMAIL PROTECTED]> wrote:
>> 3 mutating an item in a sorted list *does* *always* cause problems
>
> No, it doesn't. It might cause the list no longer to be sorted, but
> that might or might no be a problem.
Than in the same vain I can say that mutating a key in a dictionary
doesn't always cause problems either. Sure it may probably make a
key unaccessible directly, but that might or might not be a problem.
>> More specific the Decimal class is mutable and usable as dict key.
>
> Decimal objects are immutable, so far as I know.
>
>>>> from decimal import Decimal
>>>> spam = Decimal('1.2')
>>>> eggs = spam
>>>> eggs is spam
> True
>>>> eggs += 1
>>>> eggs is spam
> False
>
>>> from decimal import Decimal
>>> spam = Decimal('1.2')
>>> egg = spam
>>> spam._int = (1, 3)
>>> spam
Decimal("1.3")
>>> spam is egg
True
--
Antoon Pardon
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