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Re: Manipulating Pattern Matching ?
Hi, the attribute Listable may help you a bit, but a pattern like foo[l_List] can't be changed for build in functions. Regards Jens 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