1 files changed, 27 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/src/CsvHelper/EnumerableExtensions.cs b/ThirdParty/CsvHelper-master/src/CsvHelper/EnumerableExtensions.cs
new file mode 100644
index 0000000..a15b20b
--- /dev/null
+++ b/ThirdParty/CsvHelper-master/src/CsvHelper/EnumerableExtensions.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CsvHelper
+{
+	internal static class EnumerableExtensions
+	{
+#if !NET45
+		public static async Task<T?> FirstOrDefaultAsync<T>(this IAsyncEnumerable<T> collection)
+		{
+			await foreach (var o in collection.ConfigureAwait(false))
+			{
+				if (o != null)
+				{
+					return o;
+				}
+			}
+
+			return default(T);
+		}
+#endif
+	}
+}