Rational numbers in D

[SomeDude]

On Saturday, 9 June 2012 at 01:11:49 UTC, Stewart Gordon wrote:
> On 07/06/2012 18:49, Joseph Rushton Wakeling wrote:
>> Sorry for the double-post -- I already asked this in d-learn, 
>> but this may be a better
>> place to ask.
>>
>> What's the current state of affairs and roadmap for inclusion 
>> of rational number support
>> in D?
>
> Including it in D seems very unlikely.
>
> Including it in Phobos, OTOH, is another matter.
>
>> I've come across David Simcha's work:
>> http://cis.jhu.edu/~dsimcha/d/phobos/std_rational.html
>>
>> ... and a feature request on the bugzilla:
>> http://d.puremagic.com/issues/show_bug.cgi?id=7885
> <snip>
>
> Well, do these work at the moment?
>
> If so, I suggest you use one of them for now.  If you're mainly 
> just doing simple arithmetic with them, it probably wouldn't be 
> too much work to convert your code to use the Phobos rational 
> type when/if it gets one.
>
> Stewart.

I've never had any use for rational numbers as have 99% of 
developers I believe. Maybe I'm overlooking something, but I see 
only two possible usages of them: math packages and length 
quotations in the english system. Because of this, I'd rather see 
them in Deimos than in Phobos.