Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!usc!ucsd!ucbvax!agate!shelby!neon!pescadero.Stanford.EDU!philip From: philip@pescadero.Stanford.EDU (Philip Machanick) Newsgroups: comp.lang.c++ Subject: Re: Double Dispatching (was: Re: c++ followup: abstract classes) Message-ID: <1990Dec18.214229.28951@Neon.Stanford.EDU> Date: 18 Dec 90 21:42:29 GMT References: Sender: news@Neon.Stanford.EDU (USENET News System) Reply-To: philip@pescadero.stanford.edu Organization: Computer Science Department, Stanford University Lines: 7 In article , cline@cheetah.ece.clarkson.edu (Marshall Cline) writes: |> Given N types of Operands, there'll be N^2 `add' routines: Int+Matrix, |> Int+Sparse, Int+Int, etc. Shouldn't that be N! (factorial)? -- Philip Machanick philip@pescadero.stanford.edu