/**
* Returns a specified number of contiguous values from the start of an observable sequence.
*
* @param items
* @param predicate a function to test each source element for a condition
* @return
*/
public static <T> Func1<Observer<T>, Subscription> takeWhile(
final Observable<T> items, final Func1<T, Boolean> predicate) {
return takeWhileWithIndex(items, OperationTake.<T>skipIndex(predicate));
}
/**
* Returns a specified number of contiguous values from the start of an observable sequence.
*
* @param items
* @param num
* @return
*/
public static <T> Func1<Observer<T>, Subscription> take(
final Observable<T> items, final int num) {
return takeWhileWithIndex(items, OperationTake.<T>numPredicate(num));
}