<div dir="ltr"><div>Dear All,</div><div><br></div><div>Here’s a beginner's question about How to Design Programs.</div><div><br></div><div>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?</div>
<div><br></div><div>Thanks and regards,</div><div>Ben</div></div>