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Postings from September 2000
Christian Soeller wrote: > Jeremy Howard wrote: > > > > <Removed -language x-post> > > > > > Wouldn't it be very useful if all of the applicable polymorphic methods > > > of RFC 159 would be overloadable for nD arrays (arrays becoming > > > effectively instances of array objects)? I am not sure if this has been > > > discussed before but I could think of a whole lot of applications. Often > > > you might want to do just that with the suggested multidim arrays. Or is > > > that already suggested in some other way? > > > > > Arrays are just lists of lists that happen to be declared with a simple > > type. They are not objects. > > > > Creating an array-like object with different behaviour could be achieved > > through tie(), or by creating an object with RFC 159 methods defined. > > > > ...Or am I missing something here? > > It's probably just me but I thought (1) just creating an object leaves > me handing around scalars (2) tie doesn't let me modify those > polymorphic methods (or does it? and what's the syntax with multi-dims > anyway), so there. What I might want to do is overload ADD for a > multi-dim array @a. How would I go about it while preserving the array > syntax? > Yeah, it's just you ;-) In <RFC 200--Objects: Revamp tie to support extensibility (Massive tie changes)>, you can use the RFC 159 methods on tied implementations: http://tmtowtdi.perl.org/rfc/200.html#Function_Summary <quote> Other Methods ----------------------------------------------------- Include all other methods described in RFC 159 </quote>Thread Previous | Thread Next