diff options
| author | Jb Evain <jbevain@gmail.com> | 2008-05-09 00:16:53 +0400 |
|---|---|---|
| committer | Jb Evain <jbevain@gmail.com> | 2008-05-09 00:16:53 +0400 |
| commit | bd827da137b86c0e9d3206c3d63d812fde0c193c (patch) | |
| tree | 22542434a7d87e413cc3dc75690ebb459ac61df4 /mcs/class/System.Core/System.Linq/Enumerable.cs | |
| parent | 6ea580d53fa71a0358caa97bb430044b24c06cde (diff) | |
fix Except with custom comparer
svn path=/trunk/mcs/; revision=102829
Diffstat (limited to 'mcs/class/System.Core/System.Linq/Enumerable.cs')
| -rw-r--r-- | mcs/class/System.Core/System.Linq/Enumerable.cs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mcs/class/System.Core/System.Linq/Enumerable.cs b/mcs/class/System.Core/System.Linq/Enumerable.cs index ed54ec8c3c4..7e12277e456 100644 --- a/mcs/class/System.Core/System.Linq/Enumerable.cs +++ b/mcs/class/System.Core/System.Linq/Enumerable.cs @@ -671,9 +671,9 @@ namespace System.Linq static IEnumerable<TSource> CreateExceptIterator<TSource> (IEnumerable<TSource> first, IEnumerable<TSource> second, IEqualityComparer<TSource> comparer) { - var items = new HashSet<TSource> (Distinct (second)); - foreach (TSource element in first) { - if (! items.Contains (element, comparer)) + var items = new HashSet<TSource> (second, comparer); + foreach (var element in first) { + if (!items.Contains (element, comparer)) yield return element; } } @@ -747,7 +747,6 @@ namespace System.Linq return null; } - public static IEnumerable<IGrouping<TKey, TSource>> GroupBy<TSource, TKey> (this IEnumerable<TSource> source, Func<TSource, TKey> keySelector) { |