[CM] what would be like Python dictionaries?
Tue, 6 Apr 2004 08:39:22 -0500
property lists, association lists or hash tables are all reasonable
choices for implementing dictionaries. if you have just a few
definitions then plists are probably the easiest way to go. plists can
be associated with particular symbols using 'get' and '(setf get)' or
you can treat any list as a plist if you use 'getf'. however, testing
for the existence of a property in a property list is a bit tricky
because both 'get' and 'getf' return false in the case of a nil
property value OR in the case where the property itself is undefined in
the plist. but you can use 'member' to see if a property name appears
in the list or not.
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