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Held: Tuesday, 7 November 2006
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.
assoc, a procedure for searching lists.
(assoc key list)procedure to look up values by key.
assoc. How would you write it? Probably recursively.
assocprocedure, we can easily implement a number of interesting variants of association lists.
I usually create these pages
on the fly, which means that I rarely
proofread them and they may contain bad grammar and incorrect details.
It also means that I tend to update them regularly (see the history for
more details). Feel free to contact me with any suggestions for changes.
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