[boost] Re: Date-Time

From: David Abrahams (dave_at_[hidden])
Date: 2004-04-17 03:43:10

Rob Stewart <stewart_at_[hidden]> writes:

>> > of 2004?  If so, I'd be happy to say
>> >
>> >    date(d.month() + 2*months, d.day)
>> >
>> > That, too, calls out the fact that adding months to dates has a
>> > dubious meaning.
>
> That makes the result of the expression quite explicit.  I can't
> see any problems with that approach.  I'd expect an exception if
> the resulting month doesn't have the requested day.  OTOH, if
> date's ctor were to take an extra argument, or if there was a
> date factory function supplying the different behavior, you could
> specify that you want clipping to the last day of the designated
> month:
>
>    date(d.month() + 2 * months, d.day(), clip_to_eom)
>    make_date_clipped_to_end_of_month(d.month() + 2 * months,
>       d.day())

Yes.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com