On Tue, Mar 15, 2011 at 10:40 AM, Alan <a...@malloys.org> wrote: > Seconded. I often know ahead of time I'll want to extend to > multimethods eventually, but sometimes I don't. Because multimethods, > protocols, and plain-old-functions look the same to the caller, you > can write your code whatever way is most straightforward first, and > add in higher-octane stuff when you discover you need it. Nobody need > ever know. > > Yes, but beware, record constructors are not plain old functions and do not look the same as other sorts of constructors, so that can be an issue if you think you might change representation midway.
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