default Tuple2<Seq<T>, Seq<T>> partition(Predicate<? super T> predicate) {
        return partition(this, predicate);
    }
Partition a stream into two given a predicate.
<p>
<pre><code>
// tuple((1, 3, 5), (2, 4, 6))
Seq.of(1, 2, 3, 4, 5, 6).partition(i -> i % 2 != 0)
</code></pre>

@see #partition(Stream, Predicate)
jOOL-java-8/src/main/java/org/jooq/lambda/Seq.java