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Implementation
The following 15 lines of code implement the full system described above in the design. The remainder of the article will describe this program in detail.
<defobject subscriber fullname email/> <set subscribers = <vector/> /> <set subscription_form= <FORM action="<subscribe fullname email/>" > First and Last name: <INPUT name="fullname"/> <BR/> Email Address: <INPUT name="email"/> <BR/> <INPUT type="submit" value="Subscribe"/> </FORM> /> <defmethod subscribe fullname email > subscribers.<insert <subscriber fullname email/> /> <receipt fullname/> </defmethod> <defmethod receipt the_name> <H3><do the_name/> is now subscribed.</H3> </defmethod> subscription_form