Re: [boost] How to represent underspecified Date in boost::date_time library?

From: Jeff Garland (jeff_at_[hidden])
Date: 2007-07-11 14:17:45

On Wed, 11 Jul 2007 13:05:40 -0500, Martin Min wrote
> Hi, recently I found boost::date_time is a great library to work 
> with for temporal work. But now I have a problem for your help with 
> or input.
> 
> It looks like the constructor of 'date' has three parameters year, 
> month, day. What about if I just want to construct a Date with 
> 'year'?,  because this is typical in text, like "In 1991, ...".

Yep, there are 3 parameters....it really isn't a 'date' without these specifics.
 
> Is this possilbe? If not, is there any way around this limitation?

No.

> or even more, can I represent sth like "In the 21st century", or 
> "the winter of 1998"?

There isn't a type to do this in the library, but you could certainly add your
own.

> But now, for me it is important to represent dates like "1998",
>  without any month or day mentioned.

You can use gregorian::greg_year which is the first parameter to a date.  I
guess the real question is, what do you want to do with the partial data
information.

Jeff