Pipe.java

import java.util.function.Function;

public class Pipe {
    private Pipe() {}

    public static <V, F1, R> R pipe(V v, Function<V, F1> f1, Function<F1, R> f2) {
        return f2.apply(f1.apply(v));
    }

    public static <V, F2, F3, R> R pipe(
            V v, Function<V, F2> f1, Function<F2, F3> f2, Function<F3, R> f3) {
        return f3.apply(f2.apply(f1.apply(v)));
    }
}