[Python-Dev] Dictionary evaluation order
Finn Bock
bckfnn@worldonline.dk
Tue, 26 Nov 2002 12:14:31 +0100
[Gustavo Niemeyer]
>>I was just looking at the bug
>>
>> [#448679] Left to right
>>
>>It mentions that code like that
>>
>> {f1():f2(), f3():f4()}
>>
>>Will call these functions in the order f2, f1, f4, f3. What should we
>>do about it? Tim mentions that "When [Tim] asked Guido about that
>>some years ago, he agreed it was a bug.". Is it too late to fix it, or
>>is it still a desirable fix?
[Guido van Rossum]
> ...
> What does Jython do?
Jython happens to evaluate in order of f1, f2, f3, f4. An accident, I'm
sure, of the way the dictionary constructor is called with a sequence of
(key, value, key, value, ...).
regards,
finn