Introduce Handler:init/2 for initializing the handler state.

We need an init function in order to process upgrade instructions
for protocols like WebSockets, but also to request an active receive
mode for long-polling connections, both of which will be implemented
at a later time.

1 files changed, 5 insertions, 2 deletions

diff --git a/README.md b/README.md
index fc8b127..876af0f 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,10 @@ use one of the predefined handlers or write your own. An hello world HTTP
 handler could be written like this:
 
     -module(my_handler).
-    -export([handle/2]).
+    -export([init/2, handle/2]).
 
-    handle(Opts, Req) ->
+    init(Req, Opts) ->
+        {ok, undefined}.
+
+    handle(Req, State) ->
         {reply, 200, [], "Hello World!"}.