string.IsNullOrEmpty の nullable annotation あり版のメソッドを追加

[opentween/open-tween.git] / OpenTween / Api / TwitterStreamObservable.cs

diff --git a/OpenTween/Api/TwitterStreamObservable.cs b/OpenTween/Api/TwitterStreamObservable.cs
index a7e945a..d9c83fb 100644 (file)
--- a/OpenTween/Api/TwitterStreamObservable.cs
+++ b/OpenTween/Api/TwitterStreamObservable.cs
@@ -79,7 +79,7 @@ namespace OpenTween.Api
 
         public static ITwitterStreamMessage ParseLine(string line)
         {
-            if (string.IsNullOrEmpty(line))
+            if (MyCommon.IsNullOrEmpty(line))
                 return new StreamMessageKeepAlive();
 
             if (line.First() != '{' || line.Last() != '}')