The following methods

http://jre.us.oracle.com/java/re/jdk/9/promoted/latest/docs/api/java/util/stream/IntStream.html#iterate-int-java.util.function.IntPredicate-java.util.function.IntUnaryOperator-
http://jre.us.oracle.com/java/re/jdk/9/promoted/latest/docs/api/java/util/stream/LongStream.html#iterate-long-java.util.function.LongPredicate-java.util.function.LongUnaryOperator-
http://jre.us.oracle.com/java/re/jdk/9/promoted/latest/docs/api/java/util/stream/DoubleStream.html#iterate-double-java.util.function.DoublePredicate-java.util.function.DoubleUnaryOperator-

Contain almost adjusted samples

========
for (primitive index=seed; predicate.test(index); index = f.apply(index)) {
         ...
     }
========

But in fact it's not "f.apply" - it should be "applyAsPrimitive"

where Primitive is Long, Double or Int