From 98f4212915fb5c6ac615b0b21fca43dba6f5127c Mon Sep 17 00:00:00 2001
From: Chris Ross <Tratcher@Outlook.com>
Date: Wed, 30 Apr 2014 10:53:33 -0700
Subject: [PATCH] #20 - Add Use extension for inline middleware.

---
 .../Extensions/UseExtensions.cs               | 27 +++++++++++++++++++
 .../Microsoft.AspNet.Abstractions.kproj       |  1 +
 2 files changed, 28 insertions(+)
 create mode 100644 src/Microsoft.AspNet.Abstractions/Extensions/UseExtensions.cs

diff --git a/src/Microsoft.AspNet.Abstractions/Extensions/UseExtensions.cs b/src/Microsoft.AspNet.Abstractions/Extensions/UseExtensions.cs
new file mode 100644
index 0000000000..698b19ca5c
--- /dev/null
+++ b/src/Microsoft.AspNet.Abstractions/Extensions/UseExtensions.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Abstractions;
+
+namespace Microsoft.AspNet
+{
+    public static class UseExtensions
+    {
+        /// <summary>
+        /// Use middleware defined in-line.
+        /// </summary>
+        /// <param name="app"></param>
+        /// <param name="middleware">A function that handles the request or calls the given next function.</param>
+        /// <returns></returns>
+        public static IBuilder Use(this IBuilder app, Func<HttpContext, Func<Task>, Task> middleware)
+        {
+            return app.Use(next =>
+            {
+                return context =>
+                {
+                    Func<Task> simpleNext = () => next(context);
+                    return middleware(context, simpleNext);
+                };
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.Abstractions/Microsoft.AspNet.Abstractions.kproj b/src/Microsoft.AspNet.Abstractions/Microsoft.AspNet.Abstractions.kproj
index 83c250addc..0b62b9b387 100644
--- a/src/Microsoft.AspNet.Abstractions/Microsoft.AspNet.Abstractions.kproj
+++ b/src/Microsoft.AspNet.Abstractions/Microsoft.AspNet.Abstractions.kproj
@@ -28,6 +28,7 @@
     <Compile Include="Extensions\MapWhenMiddleware.cs" />
     <Compile Include="Extensions\MapWhenOptions.cs" />
     <Compile Include="Extensions\RunExtensions.cs" />
+    <Compile Include="Extensions\UseExtensions.cs" />
     <Compile Include="HostString.cs" />
     <Compile Include="HttpContext.cs" />
     <Compile Include="HttpRequest.cs" />