public interface Visitor<T> {
void visit(T t);
+
+ public static class Multi<T> implements Visitor<T> {
+ private final Visitor<T>[] visitors;
+ @SafeVarargs
+ public Multi(Visitor<T> ... vs) {
+ visitors = vs;
+ }
+
+ @Override
+ public void visit(T t) {
+ for(Visitor<T> v : visitors) {
+ v.visit(t);
+ }
+ }
+ };
}