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Re: Manipulating Pattern Matching ?

  • To: mathgroup at
  • Subject: [mg32925] Re: Manipulating Pattern Matching ?
  • From: Jens-Peer Kuska <kuska at>
  • Date: Wed, 20 Feb 2002 01:26:03 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <a4t0g7$ih8$>
  • Reply-to: kuska at
  • Sender: owner-wri-mathgroup at


the attribute Listable may help you a bit, but
a pattern like foo[l_List] can't be changed
for build in functions.


Gerhard Neumann wrote:
> 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

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