package org.enumerable.lambda.primitives; import org.enumerable.lambda.Fn2; @SuppressWarnings("serial") public abstract class Fn2IItoO<R> extends Fn2<Integer, Integer, R> { public abstract R call(int a1, int a2); public R call(Integer a1, Integer a2) { return call(a1.intValue(), a2.intValue()); } }