[racket] Template variables

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Sat Sep 21 09:48:14 EDT 2013

#lang racket

(require (except-in 2htdp/image image?))
(require lang/htdp-advanced) ;; <-- this appears to override except-in, so stick to this order 
(require 2htdp/universe)



On Sep 21, 2013, at 5:50 AM, Manfred Lotz wrote:

> Hi there,
> How could I use template variables (... aso.) when using #lang racket?
> 
> I tried this:
> 
> #lang racket
> 
> (require lang/htdp-advanced)
> (require 2htdp/image)
> (require 2htdp/universe)
> 
> 
> test.rkt:4:9: module: identifier already imported from:
> lang/htdp-beginner at: image?
>  in: 2htdp/image
>  context...:
>   standard-module-name-resolver
> 
> If I leave out 2htdp/image then I won't have bitmap which I need.
> 
> Actually I would like to leave out lang/htdp-advanced but then the
> ellipses are missing. What could I do?
> 
> 
> -- 
> Thanks,
> Manfred
> 
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