[racket] Working through "How to Design Programs"

Please don't post complete solutions. 

On Jul 29, 2011, at 4:55 PM, benmarkwell at gmail.com wrote:

> I am currently working on Structure Definitions and am hoping that I can get some feedback through this mailing list on whether I am doing things correctly or not.
> 
> Exercise 6.4.3.   Provide a structure definition and a data definition for representing three-letter words. A word consists of letters, which we represent with the symbols 'a through 'z.  
> 
> Here is what I have come up with.
> 
> ;; word : symbol -> symbol
> ;  produce a word with the letters it's made of.


What is the above function for? 


The rest is all you need. 
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