The problem could be that #{} in clojure is a set literal, try using
clojure.lang.PersistentHashSet/create
>
> Hi
>
> I'm new to Clojure so forgive me if this is a dumb question. I want
> to incorporate some Clojure into a Java application.
>
> String rule="(str key val label)";
> String str = "(ns test) " + "(defn foo [key val label] " +
> rule +
> ")";
> System.out.println(str);
>
> Compiler.load(new StringReader(str));
>
> // Get a reference to the foo function.
> Var foo = RT.var("test", "foo");
>
>
> // Call it!
>
> Object result = foo.invoke( "hello","world","this is a
test");
>
> The code works BUT if I try to pass in a map for example like so
> Object result = foo.invoke( "hello","world","#{:a 1 :b 2}");
>
> I always get a ClassCastException. Am I doing something ridiculous
> here? Is it possible to pass in a Map from the Java world into the
> Clojure code?
>
> Also any comments on using Clojure within a Java app appreciated. Is
> it a good idea. I was thinking of allowing rules to be dynamically
> added to fields within a web application.
>
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