On Mon, 2009-02-09 at 15:50 +0100, Francesco Petrogalli wrote: > Hello, > > any idea on how to implement an un'ordered list? > > Something which can held to the equality between the "unordered list" > (1 2) and (2 1)?
What you need is sets: http://common-lisp.net/project/fset/ -- Stelian Ionescu a.k.a. fe[nl]ix Quidquid latine dictum sit, altum videtur.
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