internal static Iterable <U> lazyFlatMap <T, U>(Iterable <T> iterable, Function <T, Iterable <U> > function)
{
var enumerable = FromJava.IterableToEnumerable(iterable)
.SelectMany(element => FromJava.IterableToEnumerable(function.apply(element)));
return(ToJava.EnumerableToIterable(enumerable));
}
internal static Iterable <T> lazyConcat <T>(Iterable <T> first, Iterable <T> second)
{
var enumerable = FromJava.IterableToEnumerable(first)
.Concat(FromJava.IterableToEnumerable(second));
return(ToJava.EnumerableToIterable(enumerable));
}
internal static Iterable <U> lazyMap <T, U>(Iterable <T> iterable, Function <T, U> function)
{
var enumerable = FromJava.IterableToEnumerable(iterable)
.Select(function.apply);
return(ToJava.EnumerableToIterable(enumerable));
}
internal static Iterable <U> lazyFilter <T, U>(Iterable <T> iterable, System.Type type)
{
var enumerable = FromJava.IterableToEnumerable(iterable).OfType <U>();
return(ToJava.EnumerableToIterable(enumerable));
}
internal static Iterable <T> lazyFilter <T>(Iterable <T> iterable, Predicate <T> predicate)
{
var enumerable = FromJava.IterableToEnumerable(iterable).Where(predicate.test);
return(ToJava.EnumerableToIterable(enumerable));
}