status of Programming by Contract (PEP 316)?
bdesth.quelquechose at free.quelquepart.fr
Thu Aug 30 14:59:19 CEST 2007
Russ a écrit :
> Bruno Desthuilliers wrote:
>>Russ a écrit :
>>>I don't see how you can avoid adding some new syntax, given that
>>>Python does not
>>>currently have syntax for specifying invariants and pre- and post-
>> @pre(lambda x : x != 42)
>> @post(lambda result: result != 42)
>> @invariant(lambda self: self.x == 42)
>> def reliable_method(self, x):
>> # your code here
>> return something
> That looks like new syntax to me.
It's the syntax for decorator functions, and it's not that new - it
cames with Python 2.4, released November 30, 2004.
> Did I miss your point?
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