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Manipulating Pattern Matching ?

• To: mathgroup at smc.vnet.net
• Subject: [mg32923] Manipulating Pattern Matching ?
• From: "Gerhard Neumann" <gneumann at gmx.net>
• Date: Tue, 19 Feb 2002 02:30:14 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

I've quite a tricky problem. I want to convince Mathematica that a new
"Datatyp", call it "MyList" is the same as  "List" , at least in pattern
matching, i.e. all functions that take a "List" as parameter should take
"MyList" too. So I have to manipulate Mathematicas pattern matching Rules.
Is that possible (I fear not :-(( ??

Geri