Re: [Caml-list] date manipulation library

[Alan Schmitt <alan.schmitt@polytechnique.org>]

* Xavier Leroy (xavier.leroy@inria.fr) wrote:
> > I am writing an application that needs to manipulate dates. More 
> > precisely, it needs a function that, given a date and a duration (12 
> > days, 2 weeks, 3 months ...) returns the date at the end of the 
> > duration. Is there a library providing such a thing ?
> 
> Good old Unix.mktime could perhaps do the job.  It has the ability to
> correct for impossible dates, e.g. change Sept 32nd into Oct 2nd,
> or 2003-13-01 into 2004-01-01.
> 
> So, perhaps you could just increment the tm_mday, tm_mon or tm_year of
> a "tm" record by the specified amount, then call Unix.mktime and
> discard the first result to get a normalized, but equivalent date.

Wow, this is great. Now I can answer the question that as been troubling 
me for some time: "What is the date one year after Feb 29th, 2000" ;-)

Thanks,

Alan Schmitt

-- 
The hacker: someone who figured things out and made something cool happen.

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