The following is a link to an article talking about Predicate Dispatching in CLOS.  I think this may solve the problem I have been speaking about - dispatching based on number and types of arguments.  Thought I'd share the idea:<div>
<br></div><div><a href="http://people.csail.mit.edu/jrb/Projects/ucko-thesis.pdf">http://people.csail.mit.edu/jrb/Projects/ucko-thesis.pdf</a></div><div><br></div><div>Would love to hear some opinions.</div><div><br></div>
<div>Thanks.</div><div><br></div><div>Blake</div><div><br><div><span style="border-collapse:separate;color:rgb(0,0,0);font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="border-collapse:separate;color:rgb(0,0,0);font-variant:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><div>
<br></div></span></span></span></div>
</div>