wut.diff

diff --git a/examples/ember/src/main/scala/com/example/http4s/ember/EmberServerSimpleExample.scala b/examples/ember/src/main/scala/com/example/http4s/ember/EmberServerSimpleExample.scala
index e103ff09171..44e3c02a48c 100644
--- a/examples/ember/src/main/scala/com/example/http4s/ember/EmberServerSimpleExample.scala
+++ b/examples/ember/src/main/scala/com/example/http4s/ember/EmberServerSimpleExample.scala
@@ -61,6 +61,24 @@ object EmberServerSimpleExample extends IOApp {
           Ok(Json.obj("root" -> Json.fromString("GET")))
         case GET -> Root / "hello" / name =>
           Ok(show"Hi $name!")
+        case req @ POST -> Root / "wut" =>
+          Ok {
+            req.body
+              .through(fs2.text.utf8Decode[F])
+              .map { str =>
+                var c = 0
+                var i = 0
+                while (i < str.length) {
+                  if (str.charAt(i) == 'a') {
+                    c += 1
+                  }
+                  i += 1
+                }
+
+                s"$c\n"
+              }
+              .through(fs2.text.utf8Encode[F])
+          }
         case GET -> Root / "chunked" =>
           val body = Stream("This IS A CHUNK\n")
             .covary[F]