Hmm, for example, this does not work: ([:spinoza/object :spinoza-example-three/serializable] (methods archive))
I get the following exception: java.lang.IllegalArgumentException: Key must be integer even though: (= [:spinoza/object :spinoza-example-three/serializable] (ffirst (methods archive))) Returns true. David 2009/2/6 Craig Andera <craig.and...@gmail.com> > > > (methods multifn) > > > > Returns a hash-map where the keys are vectors if the dispatch values of > the > > multimethods were vectors, weird and cool :) > > How does one check for the existence of a key in a hash-map if the key is > > vector? I tried several things and nothing obvious seemed to work. > > Vectors are values that compare like scalars do: > > ({[1 2 3] :numbers [\a \b \c] :letters} [1 2 3]) => :numbers > ({[1 2 3] :numbers [\a \b \c] :letters} [3 4 5]) => nil > > Which is both surprising (to a newbie like me) and extremely logical > in retrospect. :) > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---