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edn-java is an parser and printer for 'edn' written in Java, for Java and requiring no external dependencies.

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// (c) 2012 B Smith-Mannschott -- Distributed under the Eclipse Public License
package us.bpsm.edn.parser;

import us.bpsm.edn.EdnSyntaxException;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

final class DefaultSetFactory implements CollectionBuilder.Factory {
    public CollectionBuilder builder() {
        return new CollectionBuilder() {
            Set set = new HashSet();
            public void add(Object o) {
                if (!set.add(o)) {
                    throw new EdnSyntaxException(
                      "Set contains duplicate element '" + o + "'.");
                }
            }
            public Object build() {
                return Collections.unmodifiableSet(set);
            }
        };
    }
}    

    

    

            

    

            



    
    






    
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