[elephant-ticket] #5: Other indexing options

[elephant]

#5: Other indexing options
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 Reporter:  ieslick       |       Owner:  ieslick
     Type:  enhancement   |      Status:  new    
 Priority:  minor         |   Milestone:         
Component:  metaprotocol  |     Version:  0.8.0  
 Keywords:                |  
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 What if we want a given index to target a specific range of subclasses or
 objects that share a generic function?  Can users add one to the
 metaobject protocol (like a more general version of derived indices)?

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Ticket URL: <http://trac.common-lisp.net/elephant/ticket/5>
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