I'm trying to figure out a way to create an extension to the Directory
class
to allow loading and saving of a Directory instance's objects to disk. It
would need to be insensitive to the type of object that it collects.
I'm thinking that a SUBCLASS would be good for a first cut, but if it
were
implemented as a MIXINCLASS it could be potentially used for any collection?
Since an object kept in a Directory can be more complex than a single
string,
the extension needs to know how to determine the boundaries of each field in
the external record associated with the contained object. Such a field
separator needs to be passed to the Directory at initialization as a class
attribute, but in the Reference manual I don't see a mechanism to do that.
Is there a way to initialize a class attribute with ::METHOD INIT CLASS?
Leslie
--
A Caution to Everybody
Consider the Auk;
Becoming extinct because he forgot how to fly, and could only walk.
Consider man, who may well become extinct
Because he forgot how to walk and learned how to fly before he thinked.
-- Ogden Nash
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