[Unison-hackers] [unison-svn] r508 - in trunk: doc src

[Benjamin Pierce]

Ok, I see. Yes, this seems like the way forward...

        - B

On Sep 19, 2012, at 13:39, Jerome Vouillon <Jerome.Vouillon at pps.jussieu.fr> wrote:

> On Wed, Sep 19, 2012 at 08:50:17AM -0400, Benjamin C. Pierce wrote:
>> 
>> On Sep 19, 2012, at 6:30 AM, Jerome Vouillon wrote:
>> 
>>> On Fri, Sep 14, 2012 at 11:45:39AM -0400, Benjamin Pierce wrote:
>>>> And then just assume that anybody compiling the beta or developer
>>>> versions is going to be using OCaml 4? Yes, that might be a
>>>> reasonable compromise.
>>> 
>>> In fact, we should probably make the same change to the beta and
>>> developer versions as well. It will take some time before everyone
>>> switch to OCaml 4 (in particular, it is still not in Debian)…
>> 
>> That effectively means we'll stick with the old hash algorithm
>> forever, I guess.
> 
> We can change it any time we bump the major version number.
> And this can be as simple as changing a single function definition.
> 
>> Is that fine, or is the new one a lot better?
> 
> The new one is much better, but we do not need a good hash function
> for comparing archives. Even with a pretty bad hash function, I
> believe we can detect with a high probability any archive mismatch.
> 
> -- Jerome
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