初始化

NewCRICS/Models/ErrorViewModel.cs

@@ -0,0 +1,9 @@
+namespace NewCRICS.Models
+{
+    public class ErrorViewModel
+    {
+        public string? RequestId { get; set; }
+
+        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+    }
+}

NewCRICS/Models/MMA.cs

@@ -0,0 +1,20 @@
+using Microsoft.IO;
+
+namespace NewCRICS.Models
+{
+    public class MMA
+    {
+        private static readonly RecyclableMemoryStreamManager manager = new RecyclableMemoryStreamManager();
+
+        static void Main(string[] args)
+        {
+            //https://github.com/Microsoft/Microsoft.IO.RecyclableMemoryStream
+            var sourceBuffer = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7 };
+
+            using (var stream = manager.GetStream())
+            {
+                stream.Write(sourceBuffer, 0, sourceBuffer.Length);
+            }
+        }
+    }
+}