[plt-scheme] examining structures, data definitions (ch6 HtDp)

At Tue, 10 Feb 2004 03:38:03 -0500, Terrence Brannon wrote:
> (2) the chapter said that data definitions were a mix of Scheme and 
> English. Is there no way to create typed structures that require 
> arguments of a certain type?

You may want to look at contracts. We are planning to integrate them
with the teaching languages in future revisions, but for now they are
only available in the professional languages.

Robby