[Haskell-cafe] How to check if two Haskell files are the same?

[Alfonso Acosta]

On Wed, Sep 17, 2008 at 1:03 AM, Brandon S. Allbery KF8NH
<allbery at ece.cmu.edu> wrote:
> On 2008 Sep 16, at 10:30, Mauricio wrote:
>>
>> I would like to write a Haskell pretty-printer,
>> using standard libraries for that. How can I
>> check if the original and the pretty-printed
>> versions are the same? For instance, is there
>> a file generated by GHC at the compilation
>> pipe that is always guaranteed to have the
>> same MD5 hash when it comes from equivalent
>> source?
>
> Compare .hi files?

You an also compare the resulting object files