[racket] Temporary Definitions with ellipses

Oh yes, it was "obviously there"!

Thanks,

Rodolfo Carvalho


On Tue, May 24, 2011 at 20:13, Robby Findler <robby at eecs.northwestern.edu>wrote:

> It is in the View menu, the Toolbar menu item. (DrRacket is fairly
> platform-independent; anything at that level that works on one
> platform works on them all.)
>
> Robby
>
> On Tue, May 24, 2011 at 5:49 PM, Rodolfo Carvalho <rhcarvalho at gmail.com>
> wrote:
> > A bit unrelated, but is there a setting for DrRacket on Ubuntu to put the
> > "toolbar" on the vertical like you had on your Mac?
> > []'s
> > Rodolfo Carvalho
> >
> >
> > On Tue, May 24, 2011 at 17:54, Matthias Felleisen <matthias at ccs.neu.edu>
> > wrote:
> >>
> >> On May 24, 2011, at 2:25 PM, SCIAMACHIST wrote:
> >>
> >> > Lewis Watmore
> >> >
> >> > Hello,
> >> >    I am a "noob" so if this is the wrong place for my question, please
> >> > direct me to somewhere more appropriate.
> >> >
> >> >    In the DrScheme Companion at "3.3 Finger Exercises on Composing
> >> > Functions" it is stated that you can create temporary definitions
> using an
> >> > ellipsis in this manor:
> >> >
> >> >    (define (feet->yards f) ...)
> >> >
> >> > --where the ellipsis "is a legal Scheme name. DrScheme does not
> attempt
> >> > to determine the meaning of a name until necessary."
> >> >
> >> > But DrRacket does not allow this usage. I get this error message:
> "...:
> >> > ellipses not allowed as an expression in: (...)"
> >> >    Is there an alternative other than commenting-out unfinished
> >> > definitions?
> >>
> >>
> >> The Companion is for people who work their way through How to Design
> >> Programs (1e or 2e). As stated in the Companion, they are expected to
> use
> >> the HtDP student languages, which support this notation. See attached
> >> screenshot.
> >>
> >> You may also wish to look at
> >>
> >>  http://www.ccs.neu.edu/home/matthias/HtDP2e/index.html
> >>
> >>
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