[racket] typo in signatures?

From: Hendrik Boom (hendrik at topoi.pooq.com)
Date: Tue Oct 4 22:19:18 EDT 2011

On Tue, Oct 04, 2011 at 04:45:55PM -0400, Danny Yoo wrote:
> > Not sure what inexact=? does.  What's needed is something like a
> > three-argument function that tests |x-y| < epsilon.  Epsilon should
> > not be implicit.
> 
> 
> It's not in the racket/base language, but it sounds like you're
> describing =~ from the teaching languages:
> 
>     http://docs.racket-lang.org/htdp-langs/advanced.html?q=%3D~#(def._(lib._htdp-advanced..rkt._lang)._((lib._lang/htdp-advanced..rkt)._~3d~7e))

Yup.  That's it.

-- hendrik



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