Re: [boost] [constrained_types] Use cases survey

From: Robert Kawulak (kawulak_at_[hidden])
Date: 2006-01-19 06:06:34

Hi,

> From: Jeff Garland

> Well, as you're already aware there are versions of these 
> things that are used
> in the implementation of date-time.  The basic requirements
are/were:

[snip reqirements]

Thanks! I've taken a glance at them and it seems the library
already fulfills all but...

> 2) These need special addition/subtraction with 
> remainder/overflow.  So, for
> example, take the following 
>   wrapping_int<integer, 1, 7> wi; //wi == 1;
>   wi.add(8); // wi == 2 -- returns 1 (wrapped once)
>   wi.subtract(8); //wi == 1 -- returns 1 (wrapped once)

Well, this needs thinking over...

> I'm also interested in your string stuff -- is there a 
> current draft of stuff
> posted somewhere?

Not yet, I'll do this as soon as the code is suitable for posting
;-)

> Also, I'd be willing at some point to 
> experiment with
> replacing my date-time implementations with yours -- it would 
> be an easy way
> to test that I got all the use cases right ;-)

That's a great idea!

Best regards,
Robert