Initial Commit

MarketData/MarketDataLib/Utility/ExtensionMethods.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MarketData.Utils
+{
+  public static class ExtensionMethods
+  {
+    public static bool IsNullOrEmpty<T>(this ICollection<T> list)
+    {
+      if(null==list || 0==list.Count())return true;
+      return false;
+    } 
+    public static bool ContainsIgnoreCase(this List<String> list, string str)
+    {
+      foreach(String strString in list)
+      {
+        if(strString.Equals(str,StringComparison.InvariantCultureIgnoreCase))return true;
+      } 
+      return false;
+    }
+  }
+}