From 04274c44a278a8f15c15a5ecac20ad8e867d11ba Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonyg@leastfixedpoint.com>
Date: Fri, 21 Jun 2019 13:55:45 +0100
Subject: [PATCH] Echo server

---
 .../syntax-playground/src/echo-server-syndicate-js.js  | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 packages/syntax-playground/src/echo-server-syndicate-js.js

diff --git a/packages/syntax-playground/src/echo-server-syndicate-js.js b/packages/syntax-playground/src/echo-server-syndicate-js.js
new file mode 100644
index 0000000..284204a
--- /dev/null
+++ b/packages/syntax-playground/src/echo-server-syndicate-js.js
@@ -0,0 +1,10 @@
+const S = activate require("@syndicate-lang/driver-streams-node");
+
+spawn named 'echoserver' {
+  on asserted S.Stream($id, S.Incoming(S.TcpListener(5999))) {
+    spawn {
+      stop on retracted S.Stream(id, S.Duplex());
+      on message S.Stream(id, S.Data($bs)) send S.Stream(id, S.Push(bs, false));
+    }
+  }
+}