[racket] Why not use a typed language for HtDP?

Am 24.08.2013 10:38, schrieb Ben Duan:
> Dear All,
>
> Here's a beginner's question about How to Design Programs.
>
> HtDP puts great emphasizes on data, and it forces the reader to think 
> about data types by writing signatures. Then what not use a typed 
> language so that it is forced by the language itself? Or did I 
> misunderstand the purpose of the authors?
>
> Thanks and regards,
> Ben
>
>
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How to design Programs should teach you, at least as far as I know, the 
basics of Racket. There is in fact a typed version of racket if you need 
it for special purposes.

regards,
Lowl3v3l
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