Re: [boost] Re: Date-Time

From: Janusz Piwowarski (jpiw_at_[hidden])
Date: 2004-04-17 04:25:44

Rob Stewart writes:
 
> 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())
> 

IMHO, simple date wrappers can give more readability:

    d.allow_clipping_to_eom() + 2*months;
    d.disallow_clipping_to_eom() + 2*months;

or 

    allow_clipping_to_eom(d) + 2*months;
    disallow_clipping_to_eom(d) + 2*months;

where adding months to date directly isn't allowed.

Regards, 
Janusz