public static void main(final String[] a) {
final Stream<Integer> tdl =
iterate(flip(subtract).f(1), 999).takeWhile(intOrd.isGreaterThan(99));
intShow.println(
tdl.tails()
.bind(tdl.zipWith(multiply))
.filter(
new F<Integer, Boolean>() {
public Boolean f(final Integer i) {
final Stream<Character> s = intShow.show(i);
return streamEqual(charEqual).eq(s.reverse().take(3), s.take(3));
}
})
.foldLeft1(intOrd.max));
}
/**
* Returns true if the given lazy string is a substring of this lazy string.
*
* @param cs A substring to find in this lazy string.
* @return True if the given string is a substring of this string, otherwise False.
*/
public boolean contains(final LazyString cs) {
return or(s.tails().map(compose(startsWith().f(cs), fromStream)));
}