Re: [boost] [date_time] posix_time::ptime assignability

From: Jeff Garland (jeff_at_[hidden])
Date: 2006-07-14 18:38:03

Gennaro Prota wrote:
> Hi,
> 
> the date_time library docs (posix_time.html) state:
> 
>   "The class boost::posix_time::ptime is the primary interface for
>    time point manipulation. In general, the ptime class is immutable
>    once constructed although it does allow assignment."
> 
> Looking at the code it doesn't seem to me it allows assignment. Am I
> missing something?

Apparently.  Have a look at the tests or examples.  Just to pick one 
example/time_math.cpp

   ptime t1(d, hours(5)+minutes(4)+seconds(2)+milliseconds(1));
   //construct a new time by subtracting some times
   ptime t2 = t1 - hours(5)- minutes(4)- seconds(2)- milliseconds(1);

Jeff