yesod: Creation of type-safe, RESTful web applications.

Yesod is a framework designed to foster creation of RESTful web application that have strong compile-time guarantees of correctness. It also affords space efficient code and portability to many deployment backends, from CGI to stand-alone serving.

The Yesod documentation site http://docs.yesodweb.com/ has much more information, tutorials and information on some of the supporting packages, like Hamlet and web-routes-quasi.

As a quick overview, here is a fully-functional Hello World application:

{-# LANGUAGE TypeFamilies, QuasiQuotes, TemplateHaskell #-}
import Yesod
data HelloWorld = HelloWorld
mkYesod "HelloWorld" [$parseRoutes|/ Home GET|]
instance Yesod HelloWorld where approot _ = ""
getHome = return $ RepPlain $ cs "Hello World!"
main = toWaiApp HelloWorld >>= basicHandler 3000

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• GregWeber, MichaelSnoyman, psibi, MaxGabriel, parsonsmatt

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