public static IIterable <TSource> Where <TSource>(this IIterable <TSource> source, Func <TSource, bool> predicate)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
var linkIterable = source as ILinkIterable <TSource>;
if (linkIterable != null)
{
return(linkIterable.Where(predicate));
}
return(new LinkIterable <TSource, TSource>(source, Iterator.Where(predicate)));
}
public ILinkIterable <TResult> Where(Func <TResult, bool> predicate)
{
return(new LinkIterable <TSource, TResult>(iterable, Iterator.Where(this.link, predicate)));
}
