public static RecommenderResult RecommendUser(
this IRecommender recommender,
string userId)
{
if (recommender == null)
{
throw new ArgumentNullException(nameof(recommender));
}
if (userId == null)
{
throw new ArgumentNullException(nameof(userId));
}
return(recommender.RecommendUser(userId, RecommenderResultBuilderFactory.Instance));
}
