trying to port web app starter from PHP

site/doc/pages/ws_is_binary.txt

@@ -0,0 +1,13 @@
+:sig
+bool ws_is_binary()
+
+:params
+return value : true if the current WebSocket message is binary
+
+:desc
+Returns whether the message currently being handled by `WS(Request& context)` arrived as a binary frame.
+
+If this returns `false`, the current message was delivered as a text frame.
+
+:see
+>websocket