StreamHelpers.java

public final class StreamHelpers {
    
    public static <T> Consumer<T> branch(Predicate<? super T> test,
                                         Consumer<? super T> t,
                                         Consumer<? super T> f) {
        return o -> {
            if (test.test(o)) t.accept(o);
            else f.accept(o);
        };
    }
    
}