[racket-dev] conditional code [was Re: Best way to handle duplicate identifiers]

From: D Herring (dherring at tentpost.com)
Date: Wed Jul 25 22:00:32 EDT 2012

On 07/25/2012 04:50 PM, Robby Findler wrote:
> On Wednesday, July 25, 2012, Doug Williams wrote:
>     Racket now includes nan? and infinite? in the core language, which
>     were already defined and provided by the science collection in PLaneT.
> I think you're best off to release a new version of the science
> collection and make it require 5.3 as the minimum version (one that
> differs from the currently released one only by sorting out this
> conflict).

Newbie question here:  Isn't there a way that Doug can write his code 
such that it provides nan? and infinite?, but only when running on an 
older version of Racket?  Some sort of reader conditional?


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