public static IEnumerable <TSource> DistinctBy <TSource, TKey>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector) { return(source.DistinctBy(keySelector, null)); }
public static IEnumerable <TSource> DistinctBy <TSource, TKey>(this IEnumerable <TSource> source, Func <TSource, TKey> keySelector) { return(source.DistinctBy(keySelector, null)); }