[Haskell-cafe] why these two are not equivalent?

[Iavor Diatchki]

(argh, sorry about that, I pressed something and gmail sent my
unfinished email!)

On Sun, Sep 13, 2009 at 9:54 PM, Iavor Diatchki
<iavor.diatchki at gmail.com> wrote:
> Hi,
> It seems that the problem is the site is using GHC 6.6.1, and
> something was broken at the time (I have not looked into what that
> is).
> Here are the outputs that I get for the little example on the site
> that you posted:
>
> GHC 6.10.3 and C++:

03 10103538 2222 1233 6160 0141  1
03 10103538 2222 1233 6160 0142  1
30 10103538 2222 1233 6160 0141  2
30 10103538 2222 1233 6160 0142  2

30 10103538 2222 1233 6160 0142  1
30 10103538 2222 1233 6160 0143  1
30 10103538 2222 1233 6160 0144  1
30 10103538 2222 1233 6160 0145  1
30 10103538 2222 1233 6160 0146  1

With GHC 6.6.1:
03 10103538 2222 1233 6160 0141  1
03 10103538 2222 1233 6160 0142  1
30 10103538 2222 1233 6160 0141  2
30 10103538 2222 1233 6160 0142  2

30 10103538 2222 1233 6160 0142  1
30 10103538 2222 1233 6160 0143  1
30 10103538 2222 1233 6160 0145  1
30 10103538 2222 1233 6160 0146  1

Note that in the second test case one line is missing, the one ending in 44.

-Iavor


>
>
>
>
>
> On Sun, Sep 13, 2009 at 10:15 AM, Diego Souza <dsouza at bitforest.org> wrote:
>> On Sun, Sep 13, 2009 at 11:34:16AM +0200, Max Rabkin wrote:
>>> That is part of the contract of toAscList (the "Asc" stands for
>>> "ascending order"), but because of the way Map is implemented, the
>>> result of toList is also sorted.
>>
>> Cool. It is good to know that toAscList and toList would produce the
>> same output.
>>
>> However, I think the question remains open. Is this piece of haskell
>> code any different (in terms of the output it produces) from the C++
>> version?
>>
>> Thanks,
>> --
>> ~dsouza
>> yahoo!im: paravinicius
>> gpg key fingerprint: 71B8 CE21 3A6E F894 5B1B  9ECE F88E 067F E891 651E
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>