chu2-2012.11.16: readme.md

Example Chu2 Application in Agda
==================================

```agda

module Hello where

import IO.Primitive as Prim
open import Chu2
open import Foreign.Haskell
open import Data.List
open import Chu2.ByteString

{-# IMPORT Chu2.Handler.SnapServerFFI #-}

postulate
  runChu2 : Application -> Prim.IO Unit

{-# COMPILED runChu2 Chu2.Handler.SnapServerFFI.runChu2 #-}

hello_world_response = response OK [] (pack "Hello Agda!")

hello_world_app : Application
hello_world_app = \_ -> Prim.return hello_world_response

main = runChu2 hello_world_app


```

Note
====

* need the Agda standard library: <http://wiki.portal.chalmers.se/agda/pmwiki.php?n=Libraries.StandardLibrary>
* need to read the Agda tutorial and be able to run Agda script from emacs: <http://www.cse.chalmers.se/~ulfn/papers/afp08/tutorial.pdf>