wasSharp
| /Linq.cs |
|---|
| @@ -37,13 +37,14 @@ |
| } |
| /// <summary> |
| /// Sequentially removes all the elements from the first sequence that are in the second sequence. |
| /// Sequentially removes all the elements from the first sequence that are in the second sequence |
| /// or all the elements from the second sequence that are in the first sequence. |
| /// </summary> |
| /// <typeparam name="T">the type o the collection</typeparam> |
| /// <param name="o">the first sequence to remove from</param> |
| /// <param name="p">the second sequence to remove</param> |
| /// <returns>the first sequence excluding the second sequence</returns> |
| public static IEnumerable<T> SequenceExcept<T>(this IEnumerable<T> o, IEnumerable<T> p) where T : IEquatable<T> |
| /// <returns>the first sequence excluding the second sequence or the second sequence excluding the first sequence</returns> |
| public static IEnumerable<T> SequenceExceptAny<T>(this IEnumerable<T> o, IEnumerable<T> p) where T : IEquatable<T> |
| { |
| var l = new List<T>(o); |
| var r = new List<T>(p); |
| @@ -55,5 +56,24 @@ |
| .Concat(r.Skip(l.Count())) |
| .Where(q => q != null && !q.Equals(default(T))); |
| } |
| /// <summary> |
| /// Sequentially removes all the elements from the first sequence that are in the second sequence. |
| /// </summary> |
| /// <typeparam name="T">the type o the collection</typeparam> |
| /// <param name="o">the first sequence to remove from</param> |
| /// <param name="p">the second sequence to remove</param> |
| /// <returns>the first sequence excluding the second sequence</returns> |
| public static IEnumerable<T> SequenceExcept<T>(this IEnumerable<T> a, IEnumerable<T> b) where T : IEquatable<T> |
| { |
| var ea = a.GetEnumerator(); |
| var eb = b.GetEnumerator(); |
| while (ea.MoveNext()) |
| { |
| if (eb.MoveNext() && ea.Current.Equals(eb.Current)) |
| continue; |
| yield return ea.Current; |
| } |
| } |
| } |
| } |