Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!ames!haven!ni.umd.edu!uc780.umd.edu!cs450a03 From: cs450a03@uc780.umd.edu Newsgroups: comp.lang.misc Subject: RE: Dynamic typing (part 3) Message-ID: <24MAR91.15080543@uc780.umd.edu> Date: 24 Mar 91 15:08:05 GMT References: <602@optima.cs.arizona.edu> <2400034@otter.hpl.hp.com> <8078@skye.cs.ed.ac.uk> Sender: usenet@ni.umd.edu (USENET News System) Organization: The University of Maryland University College Lines: 18 Nntp-Posting-Host: uc780.umd.edu Dave Berry writes: >Perhaps we should stop arguing and start co-operating. Umm... I really appreciate the sweetness and light and everything, but I'm not totally sure I'm clear on the difference as long as information is being freely exchanged. Steve Knight: It is not possible to write a polymorphic hash-function. >I don't see how it's possible to write a polymorphic hash-function in >any language unless you know all the possible types or >type-representations that the language will ever have, at the time >when you write the function. If you're talking about a small-talkish language, you just require that the 'type' allow whatever methods you need to implement your hashing. Raul Rockwell