Held Thursday, February 22, 2001
Today we visit a database-like application of Scheme: Association lists.
Association lists allow you to associate information with a
and then look up the value by the key.
I can change your Web page and you can't do anything about it(known more formally as
Web Raveler: Architectures for Transforming Web pages).
assoc, a procedure for searching lists
(assoc key list)procedure to look up values by key.
assoc. How would you write it? Probably recursively.
Friday, 12 January 2001
Thursday, 22 February 2001
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