feat(#117): Add dotnet format check to CI pipeline

HdrHistogram.Examples/RecorderExample.cs

@@ -47,7 +47,7 @@ public void Run()
                 .WithThreadSafeReads()                  //returns a Recorder that wraps the LongConcurrentHistogram
                 .Create();
 
-            var outputThread = new Thread(ts => WriteToDisk((Recorder)ts));
+            var outputThread = new Thread(ts => WriteToDisk((Recorder)ts!));
             outputThread.Start(recorder);
 
             RecordMeasurements(recorder);

HdrHistogram.Examples/SimpleHistogramExample.cs

@@ -21,7 +21,7 @@ namespace HdrHistogram.Examples
     static class SimpleHistogramExample
     {
         private static readonly LongHistogram Histogram = new LongHistogram(TimeStamp.Hours(1), 3);
-        private static volatile Socket _socket;
+        private static volatile Socket _socket = null!;
         private static readonly Lazy<AddressFamily> AddressFamily = new Lazy<AddressFamily>(() => GetAddressFamily("google.com"));
 
         private static readonly TimeSpan RunPeriod = TimeSpan.FromSeconds(10);

HdrHistogram.UnitTests/HgrmPercentileDistrubutionOutputTests.cs

@@ -85,7 +85,7 @@ private Stream GetEmbeddedFileStream(string filename)
             var fileName = string.Format(CultureInfo.InvariantCulture, "HdrHistogram.UnitTests.Resources.{0}", filename);
             return GetType().GetTypeInfo()
                 .Assembly
-                .GetManifestResourceStream(fileName);
+                .GetManifestResourceStream(fileName)!;
         }
 
         private string GetEmbeddedFileText(string filename)

HdrHistogram.UnitTests/Persistence/HistogramLogReaderWriterTestBase.cs

@@ -321,7 +321,7 @@ private Stream GetEmbeddedFileStream(string filename)
             var fileName = string.Format(CultureInfo.InvariantCulture, "HdrHistogram.UnitTests.Resources.{0}", filename);
             return GetType().GetTypeInfo()
                 .Assembly
-                .GetManifestResourceStream(fileName);
+                .GetManifestResourceStream(fileName)!;
         }
 
         protected abstract HistogramBase Create(long highestTrackableValue, int numberOfSignificantValueDigits);