diff --git a/LICENSE b/LICENSE new file mode 100644 --- /dev/null +++ b/LICENSE @@ -0,0 +1,20 @@ +Copyright (c) 2015 Alexander Thiemann + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 --- /dev/null +++ b/README.md @@ -0,0 +1,83 @@ +highjson +===== + +[![Build Status](https://travis-ci.org/agrafix/highjson.svg)](https://travis-ci.org/agrafix/highjson) + +[![Hackage Deps](https://img.shields.io/hackage-deps/v/highjson.svg)](http://packdeps.haskellers.com/reverse/highjson) + +## Intro + +Hackage: [highjson](http://hackage.haskell.org/package/highjson) + +Low boilerplate, easy to use and very fast Haskell JSON parsing. **WARNING: Work in progress!** + +## Usage + +```haskell +{-# LANGUAGE OverloadedStrings #-} +import Data.Json.Parser + +data SomeDummy + = SomeDummy + { sd_int :: Int + , sd_bool :: Bool + , sd_text :: T.Text + , sd_either :: Either Bool T.Text + , sd_maybe :: Maybe Int + } deriving (Show, Eq) + +instance JsonReadable SomeDummy where + readJson = + runSpec SomeDummy $ + "int" :&&: "bool" :&&: "text" :&&: "either" :&&: "maybe" :&&: ObjSpecNil + +test = + parseJsonBs "{\"int\": 34, \"text\": \"Teext\", \"bool\": true, \"either\": false}" + == Right (SomeDummy 34 True "Teext" (Left False) Nothing) +``` + +## Install + +* Using cabal: `cabal install highjson` +* From Source: `git clone https://github.com/agrafix/highjson.git && cd highjson && cabal install` + +## Todo + +* Implement proper string parsing (handle escape charaters) +* Write more tests +* Allow fast json generation via object specs +* Generate typescript interfaces from object specs +* ... + +## Benchmarks + +To run the benchmarks, use `cabal bench`. Current results on my MacBook Pro: + +``` +$ cabal bench +Preprocessing library highjson-0.1.0.0... +[1 of 1] Compiling Data.Json.Parser ( src/Data/Json/Parser.hs, dist/build/Data/Json/Parser.o ) +In-place registering highjson-0.1.0.0... +Preprocessing benchmark 'highjson-benchmarks' for highjson-0.1.0.0... +[1 of 1] Compiling Main ( bench/Twitter.hs, dist/build/highjson-benchmarks/highjson-benchmarks-tmp/Main.o ) [Data.Json.Parser changed] +Linking dist/build/highjson-benchmarks/highjson-benchmarks ... +Running 1 benchmarks... +Benchmark highjson-benchmarks: RUNNING... +benchmarking twitter/aeson +time 2.200 ms (2.044 ms .. 2.349 ms) + 0.983 R² (0.975 R² .. 0.996 R²) +mean 2.065 ms (2.031 ms .. 2.120 ms) +std dev 138.3 μs (93.40 μs .. 204.8 μs) +variance introduced by outliers: 48% (moderately inflated) + +benchmarking twitter/highjson +time 2.058 ms (2.032 ms .. 2.087 ms) + 0.997 R² (0.994 R² .. 0.999 R²) +mean 2.077 ms (2.050 ms .. 2.115 ms) +std dev 103.6 μs (80.86 μs .. 138.0 μs) +variance introduced by outliers: 35% (moderately inflated) +``` + +The benchmarks are derived from [aeson](https://github.com/bos/aeson)'s +twitter-json-parsing benchmarks and should probably more there when this library is in a +more complete state. diff --git a/Setup.hs b/Setup.hs new file mode 100644 --- /dev/null +++ b/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/bench/Twitter.hs b/bench/Twitter.hs new file mode 100644 --- /dev/null +++ b/bench/Twitter.hs @@ -0,0 +1,113 @@ +-- +-- Derived from aeson examples and benchmarks +-- See https://github.com/bos/aeson +-- + +{-# LANGUAGE OverloadedStrings, DeriveDataTypeable, DeriveGeneric, ScopedTypeVariables #-} + +module Main where + +import Data.Data (Typeable, Data) +import Data.Int (Int64) +import Data.Text (Text) +import Criterion.Main +import qualified Data.Aeson as A +import GHC.Generics (Generic) +import Prelude hiding (id) +import Control.DeepSeq +import Data.Json.Parser +import qualified Data.ByteString as BS + +data Metadata = Metadata { + result_type :: Text + } deriving (Eq, Show, Typeable, Data, Generic) + +instance JsonReadable Metadata where + readJson = + runSpec Metadata $ "result_type" :&&: ObjSpecNil + +instance NFData Metadata + +data Geo = Geo { + type_ :: Text + , coordinates :: (Double, Double) + } deriving (Eq, Show, Typeable, Data, Generic) + +instance JsonReadable Geo where + readJson = + runSpec Geo $ "type_" :&&: "coordinates" :&&: ObjSpecNil + +instance NFData Geo + +data Story = Story { + from_user_id_str :: Text + , profile_image_url :: Text + , created_at :: Text + , from_user :: Text + , id_str :: Text + , metadata :: Metadata + , to_user_id :: Maybe Int64 + , text :: Text + , id :: Int64 + , from_user_id :: Int64 + , geo :: Maybe Geo + , iso_language_code :: Text + , to_user_id_str :: Maybe Text + , source :: Text + } deriving (Show, Typeable, Data, Generic) + +instance JsonReadable Story where + readJson = + runSpec Story $ + "from_user_id_str" :&&: "profile_image_url" :&&: "created_at" + :&&: "from_user" :&&: "id_str" :&&: "metadata" :&&: "to_user_id" + :&&: "text" :&&: "id" :&&: "from_user_id" :&&: "geo" :&&: "iso_language_code" + :&&: "to_user_id_str" :&&: "source" + :&&: ObjSpecNil + +instance NFData Story + +data Result = Result { + results :: [Story] + , max_id :: Int64 + , since_id :: Int64 + , refresh_url :: Text + , next_page :: Text + , results_per_page :: Int + , page :: Int + , completed_in :: Double + , since_id_str :: Text + , max_id_str :: Text + , query :: Text + } deriving (Show, Typeable, Data, Generic) + +instance JsonReadable Result where + readJson = + runSpec Result $ + "results" :&&: "max_id" :&&: "since_id" :&&: "refresh_url" :&&: "next_page" + :&&: "results_per_page" :&&: "page" :&&: "completed_in" :&&: "since_id_str" + :&&: "max_id_str" :&&: "query" + :&&: ObjSpecNil + +instance NFData Result + +instance A.FromJSON Metadata +instance A.FromJSON Geo +instance A.FromJSON Story +instance A.FromJSON Result + +checkOkIs :: Either String Result -> Result +checkOkIs lf = + case lf of + Left errMsg -> error $ "Benchmark failed! " ++ errMsg + Right r -> r + +main :: IO () +main = + defaultMain + [ env (BS.readFile "bench/json-data/twitter100.json") $ \ ~(twitter100 :: BS.ByteString) -> + bgroup "twitter" + [ bench "aeson" $ nf (checkOkIs . A.eitherDecodeStrict') twitter100 + , bench "highjson" $ nf (checkOkIs . parseJsonBs) twitter100 + ] + ] diff --git a/bench/json-data/twitter1.json b/bench/json-data/twitter1.json new file mode 100644 --- /dev/null +++ b/bench/json-data/twitter1.json @@ -0,0 +1,1 @@ +{"results":[{"from_user_id_str":"80430860","profile_image_url":"http://a2.twimg.com/profile_images/536455139/icon32_normal.png","created_at":"Wed, 26 Jan 2011 07:07:02 +0000","from_user":"kazu_yamamoto","id_str":"30159761706061824","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell Server Pages \u3063\u3066\u3001\u307e\u3060\u7d9a\u3044\u3066\u3044\u305f\u306e\u304b\uff01","id":30159761706061824,"from_user_id":80430860,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"}],"max_id":30159761706061824,"since_id":0,"refresh_url":"?since_id=30159761706061824&q=haskell","next_page":"?page=2&max_id=30159761706061824&rpp=1&q=haskell","results_per_page":1,"page":1,"completed_in":0.012606,"since_id_str":"0","max_id_str":"30159761706061824","query":"haskell"} diff --git a/bench/json-data/twitter100.json b/bench/json-data/twitter100.json new file mode 100644 --- /dev/null +++ b/bench/json-data/twitter100.json @@ -0,0 +1,1 @@ +{"results":[{"from_user_id_str":"3646730","profile_image_url":"http://a3.twimg.com/profile_images/404973767/avatar_normal.jpg","created_at":"Wed, 26 Jan 2011 04:35:07 +0000","from_user":"nicolaslara","id_str":"30121530767708160","metadata":{"result_type":"recent"},"to_user_id":18616016,"text":"@josej30 Python y Clojure. Obviamente son diferentes, y cada uno tiene sus ventajas y desventajas. De Haskell faltar\u00eda pattern matching","id":30121530767708160,"from_user_id":3646730,"to_user":"josej30","geo":null,"iso_language_code":"es","to_user_id_str":"18616016","source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"207858021","profile_image_url":"http://a3.twimg.com/sticky/default_profile_images/default_profile_2_normal.png","created_at":"Wed, 26 Jan 2011 04:30:38 +0000","from_user":"pboudarga","id_str":"30120402839666689","metadata":{"result_type":"recent"},"to_user_id":null,"text":"I'm at Rolla Sushi Grill (27737 Bouquet Canyon Road, #106, Btw Haskell Canyon and Rosedell Drive, Saugus) http://4sq.com/gqqdhs","id":30120402839666689,"from_user_id":207858021,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://foursquare.com" rel="nofollow">foursquare</a>"},{"from_user_id_str":"69988683","profile_image_url":"http://a0.twimg.com/profile_images/1211955817/avatar_7888_normal.gif","created_at":"Wed, 26 Jan 2011 04:25:23 +0000","from_user":"YNK33","id_str":"30119083059978240","metadata":{"result_type":"recent"},"to_user_id":null,"text":"hsndfile 0.5.0: Free and open source Haskell bindings for libsndfile http://bit.ly/gHaBWG Mac Os","id":30119083059978240,"from_user_id":69988683,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"81492","profile_image_url":"http://a1.twimg.com/profile_images/423894208/Picture_7_normal.jpg","created_at":"Wed, 26 Jan 2011 04:24:28 +0000","from_user":"satzz","id_str":"30118851488251904","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Emacs\u306e\u30e2\u30fc\u30c9\u8868\u793a\u304c\u4eca(Ruby Controller Outputz RoR Flymake REl hs)\u3068\u306a\u3063\u3066\u3066\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3093\u3060\u3051\u3069\u6700\u5f8c\u306eREl\u3068\u304bhs\u3063\u3066\u4f55\u3060\u308d\u3046\u2026haskell\u3068\u304b2\u5e74\u4ee5\u4e0a\u66f8\u3044\u3066\u306a\u3044\u3051\u3069\u2026","id":30118851488251904,"from_user_id":81492,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.hootsuite.com" rel="nofollow">HootSuite</a>"},{"from_user_id_str":"9518356","profile_image_url":"http://a2.twimg.com/profile_images/119165723/ocaml-icon_normal.png","created_at":"Wed, 26 Jan 2011 04:19:19 +0000","from_user":"planet_ocaml","id_str":"30117557788741632","metadata":{"result_type":"recent"},"to_user_id":null,"text":"I so miss #haskell type classes in #ocaml - i want to do something like refinement. Also why does ocaml not have... http://bit.ly/geYRwt","id":30117557788741632,"from_user_id":9518356,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"218059","profile_image_url":"http://a1.twimg.com/profile_images/1053837723/twitter-icon9_normal.jpg","created_at":"Wed, 26 Jan 2011 04:16:32 +0000","from_user":"aprikip","id_str":"30116854940835840","metadata":{"result_type":"recent"},"to_user_id":null,"text":"yatex-mode\u3084haskell-mode\u306e\u3053\u3068\u3067\u3059\u306d\u3001\u308f\u304b\u308a\u307e\u3059\u3002","id":30116854940835840,"from_user_id":218059,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://sites.google.com/site/yorufukurou/" rel="nofollow">YoruFukurou</a>"},{"from_user_id_str":"216363","profile_image_url":"http://a1.twimg.com/profile_images/72454310/Tim-Avatar_normal.png","created_at":"Wed, 26 Jan 2011 04:15:30 +0000","from_user":"dysinger","id_str":"30116594684264448","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell in Hawaii tonight for me... #fun","id":30116594684264448,"from_user_id":216363,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.nambu.com/" rel="nofollow">Nambu</a>"},{"from_user_id_str":"1774820","profile_image_url":"http://a2.twimg.com/profile_images/61169291/dan_desert_thumb_normal.jpg","created_at":"Wed, 26 Jan 2011 04:13:36 +0000","from_user":"DanMil","id_str":"30116117682851840","metadata":{"result_type":"recent"},"to_user_id":1594784,"text":"@ojrac @chewedwire @tomheon Haskell isn't a language, it's a belief system. A seductive one...","id":30116117682851840,"from_user_id":1774820,"to_user":"ojrac","geo":null,"iso_language_code":"en","to_user_id_str":"1594784","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"659256","profile_image_url":"http://a0.twimg.com/profile_images/746976711/angular-final_normal.jpg","created_at":"Wed, 26 Jan 2011 04:11:06 +0000","from_user":"djspiewak","id_str":"30115488931520512","metadata":{"result_type":"recent"},"to_user_id":null,"text":"One of the very nice things about Haskell as opposed to SML is the reduced proliferation of identifiers (e.g. andb, orb, etc). #typeclasses","id":30115488931520512,"from_user_id":659256,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"144546280","profile_image_url":"http://a1.twimg.com/a/1295051201/images/default_profile_1_normal.png","created_at":"Wed, 26 Jan 2011 04:06:12 +0000","from_user":"listwarenet","id_str":"30114255890026496","metadata":{"result_type":"recent"},"to_user_id":null,"text":"http://www.listware.net/201101/haskell-cafe/84752-re-haskell-cafe-gpl-license-of-h-matrix-and-prelude-numeric.html Re: Haskell-c","id":30114255890026496,"from_user_id":144546280,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://1e10.org/cloud/" rel="nofollow">1e10</a>"},{"from_user_id_str":"1594784","profile_image_url":"http://a2.twimg.com/profile_images/378515773/square-profile_normal.jpg","created_at":"Wed, 26 Jan 2011 04:01:29 +0000","from_user":"ojrac","id_str":"30113067333324800","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @tomheon: @ojrac @chewedwire Don't worry, learning Haskell will not give you any clear idea what monad means.","id":30113067333324800,"from_user_id":1594784,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"207589736","profile_image_url":"http://a3.twimg.com/profile_images/1225527428/headshot_1_normal.jpg","created_at":"Wed, 26 Jan 2011 04:00:13 +0000","from_user":"ashleevelazq101","id_str":"30112747555397632","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Federal investigation finds safety violations at The Acadia Hospital: By Meg Haskell, BDN Staff The investigatio... http://bit.ly/dONnpn","id":30112747555397632,"from_user_id":207589736,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"17671137","profile_image_url":"http://a2.twimg.com/profile_images/290264834/Haskell-logo-outer-glow_normal.png","created_at":"Wed, 26 Jan 2011 03:58:00 +0000","from_user":"Hackage","id_str":"30112192346984448","metadata":{"result_type":"recent"},"to_user_id":null,"text":"streams 0.4, added by EdwardKmett: Various Haskell 2010 stream comonads http://bit.ly/idBkPe","id":30112192346984448,"from_user_id":17671137,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"17489366","profile_image_url":"http://a3.twimg.com/sticky/default_profile_images/default_profile_2_normal.png","created_at":"Wed, 26 Jan 2011 03:58:00 +0000","from_user":"aapnoot","id_str":"30112191881420800","metadata":{"result_type":"recent"},"to_user_id":null,"text":"streams 0.4, added by EdwardKmett: Various Haskell 2010 stream comonads http://bit.ly/idBkPe","id":30112191881420800,"from_user_id":17489366,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"8530482","profile_image_url":"http://a2.twimg.com/profile_images/137867266/n608671563_7396_normal.jpg","created_at":"Wed, 26 Jan 2011 03:50:12 +0000","from_user":"jeffmclamb","id_str":"30110229207187456","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Angel - daemon to run and monitor processes like daemontools or god, written in Haskell http://ff.im/-wNyLk","id":30110229207187456,"from_user_id":8530482,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://friendfeed.com" rel="nofollow">FriendFeed</a>"},{"from_user_id_str":"177539201","profile_image_url":"http://a0.twimg.com/profile_images/1178368800/img_normal.jpeg","created_at":"Wed, 26 Jan 2011 03:46:01 +0000","from_user":"tomheon","id_str":"30109174645919744","metadata":{"result_type":"recent"},"to_user_id":1594784,"text":"@ojrac @chewedwire Don't worry, learning Haskell will not give you any clear idea what monad means.","id":30109174645919744,"from_user_id":177539201,"to_user":"ojrac","geo":null,"iso_language_code":"en","to_user_id_str":"1594784","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"1594784","profile_image_url":"http://a2.twimg.com/profile_images/378515773/square-profile_normal.jpg","created_at":"Wed, 26 Jan 2011 03:44:34 +0000","from_user":"ojrac","id_str":"30108808684503040","metadata":{"result_type":"recent"},"to_user_id":128028225,"text":"@chewedwire @tomheon Why are you making me curious about Haskell? I LIKE not knowing what monad means!!","id":30108808684503040,"from_user_id":1594784,"to_user":"chewedwire","geo":null,"iso_language_code":"en","to_user_id_str":"128028225","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"23750094","profile_image_url":"http://a0.twimg.com/profile_images/951373780/Moeinthecar_normal.jpg","created_at":"Wed, 26 Jan 2011 03:41:54 +0000","from_user":"shokalshab","id_str":"30108140443795456","metadata":{"result_type":"recent"},"to_user_id":null,"text":"I'm at Magnitude Cheer @ Gymnastics Olympica USA (7735 Haskell Ave., btw Saticoy & Strathern, Van Nuys) http://4sq.com/gmXfaL","id":30108140443795456,"from_user_id":23750094,"geo":null,"iso_language_code":"en","place":{"id":"4e4a2a2f86cb2946","type_":"poi","full_name":"Gymnastics Olympica USA, Van Nuys"},"to_user_id_str":null,"source":"<a href="http://foursquare.com" rel="nofollow">foursquare</a>"},{"from_user_id_str":"8135112","profile_image_url":"http://a0.twimg.com/profile_images/1165240350/LIMITED_normal.jpg","created_at":"Wed, 26 Jan 2011 03:41:35 +0000","from_user":"Claricei","id_str":"30108059208515584","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @kristenmchugh22: @KeithOlbermann Ryan looks like Jughead w/o the hat. And sounds as mealy-mouthed as Eddie Haskell.","id":30108059208515584,"from_user_id":8135112,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"128028225","profile_image_url":"http://a1.twimg.com/profile_images/1224994593/Coding_Drunk_normal.jpg","created_at":"Wed, 26 Jan 2011 03:40:02 +0000","from_user":"chewedwire","id_str":"30107670367182848","metadata":{"result_type":"recent"},"to_user_id":177539201,"text":"@tomheon Cool, I'll take a look. I feel like I should mention this: http://bit.ly/hVstDM","id":30107670367182848,"from_user_id":128028225,"to_user":"tomheon","geo":null,"iso_language_code":"en","to_user_id_str":"177539201","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"8679778","profile_image_url":"http://a3.twimg.com/profile_images/1195318056/me_nyc_12_18_10_icon_normal.jpg","created_at":"Wed, 26 Jan 2011 03:38:42 +0000","from_user":"kristenmchugh22","id_str":"30107332381777920","metadata":{"result_type":"recent"},"to_user_id":756269,"text":"@KeithOlbermann Ryan looks like Jughead w/o the hat. And sounds as mealy-mouthed as Eddie Haskell.","id":30107332381777920,"from_user_id":8679778,"to_user":"KeithOlbermann","geo":null,"iso_language_code":"en","to_user_id_str":"756269","source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"103316559","profile_image_url":"http://a1.twimg.com/profile_images/1179458751/bc3beab4-d59d-4e78-b13b-50747986cfa2_normal.png","created_at":"Wed, 26 Jan 2011 03:36:15 +0000","from_user":"cityslikr","id_str":"30106719153557504","metadata":{"result_type":"recent"},"to_user_id":null,"text":""Social safety net into a hammock." So says Eddie Haskell with the GOP response. #SOTU","id":30106719153557504,"from_user_id":103316559,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://blackberry.com/twitter" rel="nofollow">Twitter for BlackBerry\u00ae</a>"},{"from_user_id_str":"169063143","profile_image_url":"http://a0.twimg.com/profile_images/1160506212/9697_1_normal.gif","created_at":"Wed, 26 Jan 2011 03:31:52 +0000","from_user":"wrkforce_safety","id_str":"30105614919143424","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Federal investigation finds safety violations at The Acadia Hospital: By Meg Haskell, BDN Staff The investigatio... http://bit.ly/gA60C1","id":30105614919143424,"from_user_id":169063143,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"177539201","profile_image_url":"http://a0.twimg.com/profile_images/1178368800/img_normal.jpeg","created_at":"Wed, 26 Jan 2011 03:29:40 +0000","from_user":"tomheon","id_str":"30105060960632832","metadata":{"result_type":"recent"},"to_user_id":128028225,"text":"@chewedwire Great book on Haskell: http://oreilly.com/catalog/9780596514983","id":30105060960632832,"from_user_id":177539201,"to_user":"chewedwire","geo":null,"iso_language_code":"en","to_user_id_str":"128028225","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"782692","profile_image_url":"http://a0.twimg.com/profile_images/1031304589/Profile.2007.1_normal.jpg","created_at":"Wed, 26 Jan 2011 03:29:19 +0000","from_user":"turnageb","id_str":"30104974591533057","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @ovillalon: Paul Ryan solves the mystery of whatever happened to Eddie Haskell. #sotu","id":30104974591533057,"from_user_id":782692,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"128028225","profile_image_url":"http://a1.twimg.com/profile_images/1224994593/Coding_Drunk_normal.jpg","created_at":"Wed, 26 Jan 2011 03:28:04 +0000","from_user":"chewedwire","id_str":"30104657267265536","metadata":{"result_type":"recent"},"to_user_id":177539201,"text":"@tomheon I always loved the pattern matching in SML and it looks like Haskell is MUCH better at it. I'm messing around now at tryhaskell.org","id":30104657267265536,"from_user_id":128028225,"to_user":"tomheon","geo":null,"iso_language_code":"en","to_user_id_str":"177539201","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"12834082","profile_image_url":"http://a3.twimg.com/profile_images/1083036140/mugshot_normal.png","created_at":"Wed, 26 Jan 2011 03:28:01 +0000","from_user":"ovillalon","id_str":"30104647213518848","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Paul Ryan solves the mystery of whatever happened to Eddie Haskell. #sotu","id":30104647213518848,"from_user_id":12834082,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"13540930","profile_image_url":"http://a1.twimg.com/profile_images/1205312219/23467_350321383101_821143101_5114147_3010041_n_normal.jpg","created_at":"Wed, 26 Jan 2011 03:26:02 +0000","from_user":"goodfox","id_str":"30104146455560192","metadata":{"result_type":"recent"},"to_user_id":10226179,"text":"@billykeene22 Bordeaux is one of my heroes. I was so excited when he accepted the invitation to campus. He's been a great friend to Haskell.","id":30104146455560192,"from_user_id":13540930,"to_user":"billykeene22","geo":null,"iso_language_code":"en","to_user_id_str":"10226179","source":"<a href="http://www.ubertwitter.com/bb/download.php" rel="nofollow">\u00dcberTwitter</a>"},{"from_user_id_str":"18616016","profile_image_url":"http://a2.twimg.com/profile_images/1173522726/214397343_normal.jpg","created_at":"Wed, 26 Jan 2011 03:25:18 +0000","from_user":"josej30","id_str":"30103962313031681","metadata":{"result_type":"recent"},"to_user_id":14870909,"text":"@cris7ian Ahh bueno multiparadigma ya es respetable :) Empezar\u00e9 a explotar la parte funcional de los lenguajes ahora #Haskell","id":30103962313031681,"from_user_id":18616016,"to_user":"Cris7ian","geo":null,"iso_language_code":"es","to_user_id_str":"14870909","source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"14870909","profile_image_url":"http://a2.twimg.com/profile_images/1176930429/oso_yo_normal.png","created_at":"Wed, 26 Jan 2011 03:23:43 +0000","from_user":"Cris7ian","id_str":"30103562360983553","metadata":{"result_type":"recent"},"to_user_id":18616016,"text":"@josej30 hahaha no, es multiparadigma y es bastante lazy. Nothing like haskell, pero s\u00ed, el de Flash","id":30103562360983553,"from_user_id":14870909,"to_user":"josej30","geo":null,"iso_language_code":"es","to_user_id_str":"18616016","source":"<a href="http://www.echofon.com/" rel="nofollow">Echofon</a>"},{"from_user_id_str":"2421643","profile_image_url":"http://a0.twimg.com/profile_images/1190361665/ernestgrumbles-17_normal.jpg","created_at":"Wed, 26 Jan 2011 03:20:24 +0000","from_user":"ernestgrumbles","id_str":"30102730756333568","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Wow... WolframAlpha did not know who Eddie Haskell is. Guess I'll never use that "knowledge engine" again.","id":30102730756333568,"from_user_id":2421643,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"128028225","profile_image_url":"http://a1.twimg.com/profile_images/1224994593/Coding_Drunk_normal.jpg","created_at":"Wed, 26 Jan 2011 03:14:21 +0000","from_user":"chewedwire","id_str":"30101204428132352","metadata":{"result_type":"recent"},"to_user_id":177539201,"text":"@tomheon How is Haskell better/different from CL or Scheme? I honestly don't know, although I'm becoming more curious.","id":30101204428132352,"from_user_id":128028225,"to_user":"tomheon","geo":null,"iso_language_code":"en","to_user_id_str":"177539201","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"13540930","profile_image_url":"http://a1.twimg.com/profile_images/1205312219/23467_350321383101_821143101_5114147_3010041_n_normal.jpg","created_at":"Wed, 26 Jan 2011 03:06:54 +0000","from_user":"goodfox","id_str":"30099329809129473","metadata":{"result_type":"recent"},"to_user_id":null,"text":"A day of vision & speeches. #SOTU now. And a wonderful Haskell Convocation address earlier today by Sinte Gleske President Lionel Bordeaux.","id":30099329809129473,"from_user_id":13540930,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.ubertwitter.com/bb/download.php" rel="nofollow">\u00dcberTwitter</a>"},{"from_user_id_str":"119185220","profile_image_url":"http://a0.twimg.com/profile_images/1089027228/dfg_normal.jpg","created_at":"Wed, 26 Jan 2011 03:03:38 +0000","from_user":"LaLiciouz_03","id_str":"30098510623805440","metadata":{"result_type":"recent"},"to_user_id":null,"text":"The Game with the girl room 330 Haskell follow us...","id":30098510623805440,"from_user_id":119185220,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"18616016","profile_image_url":"http://a2.twimg.com/profile_images/1173522726/214397343_normal.jpg","created_at":"Wed, 26 Jan 2011 02:57:25 +0000","from_user":"josej30","id_str":"30096946144215040","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Voy a extra\u00f1ar Haskell cuando regrese al mundo imperativo. Hay alg\u00fan lenguaje imperativo que tenga este poder funcional? #ci3661","id":30096946144215040,"from_user_id":18616016,"geo":null,"iso_language_code":"es","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"17671137","profile_image_url":"http://a2.twimg.com/profile_images/290264834/Haskell-logo-outer-glow_normal.png","created_at":"Wed, 26 Jan 2011 02:55:32 +0000","from_user":"Hackage","id_str":"30096471814574080","metadata":{"result_type":"recent"},"to_user_id":null,"text":"comonad-transformers 0.9.0, added by EdwardKmett: Haskell 98 comonad transformers http://bit.ly/h6xIsf","id":30096471814574080,"from_user_id":17671137,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"177539201","profile_image_url":"http://a0.twimg.com/profile_images/1178368800/img_normal.jpeg","created_at":"Wed, 26 Jan 2011 02:48:12 +0000","from_user":"tomheon","id_str":"30094626920603649","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Every time I look at Haskell I love it more.","id":30094626920603649,"from_user_id":177539201,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"60792568","profile_image_url":"http://a0.twimg.com/profile_images/1203647517/glenda-flash_normal.jpg","created_at":"Wed, 26 Jan 2011 02:40:42 +0000","from_user":"r_takaishi","id_str":"30092735935422464","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell\u3088\u308aD\u8a00\u8a9e\u304c\u4e0a\u3068\u306f\u601d\u308f\u306a\u304b\u3063\u305f\uff0e http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html","id":30092735935422464,"from_user_id":60792568,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twmode.sf.net/" rel="nofollow">twmode</a>"},{"from_user_id_str":"160145510","profile_image_url":"http://a0.twimg.com/profile_images/1218108166/going_galt_normal.jpg","created_at":"Wed, 26 Jan 2011 02:39:31 +0000","from_user":"wtp1787","id_str":"30092439653974018","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @KLSouth: Eddie Haskell Goes to Washington... "You look really nice tonight, Ms Cleaver"","id":30092439653974018,"from_user_id":160145510,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"96616016","profile_image_url":"http://a1.twimg.com/profile_images/1196978169/Picture0002_normal.jpg","created_at":"Wed, 26 Jan 2011 02:39:20 +0000","from_user":"MelissaRNMBA","id_str":"30092392203816960","metadata":{"result_type":"recent"},"to_user_id":14862975,"text":"@KLSouth At least Eddie Haskell was entertaining.","id":30092392203816960,"from_user_id":96616016,"to_user":"KLSouth","geo":null,"iso_language_code":"en","to_user_id_str":"14862975","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"14862975","profile_image_url":"http://a0.twimg.com/profile_images/421596393/kls_4_normal.JPG","created_at":"Wed, 26 Jan 2011 02:38:29 +0000","from_user":"KLSouth","id_str":"30092178327871489","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Eddie Haskell Goes to Washington... "You look really nice tonight, Ms Cleaver"","id":30092178327871489,"from_user_id":14862975,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"144546280","profile_image_url":"http://a1.twimg.com/a/1295051201/images/default_profile_1_normal.png","created_at":"Wed, 26 Jan 2011 02:36:17 +0000","from_user":"listwarenet","id_str":"30091626869161984","metadata":{"result_type":"recent"},"to_user_id":null,"text":"http://www.listware.net/201101/haskell-beginners/84641-haskell-beginners-wildcards-in-expressions.html Haskell-beginners - Wild","id":30091626869161984,"from_user_id":144546280,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://1e10.org/cloud/" rel="nofollow">1e10</a>"},{"from_user_id_str":"24538048","profile_image_url":"http://a2.twimg.com/profile_images/1117267605/rope_normal.jpg","created_at":"Wed, 26 Jan 2011 02:23:14 +0000","from_user":"dbph","id_str":"30088341030440960","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @dnene: Skilled Calisthenics. Haskell code that outputs python which spits ruby which emits the haskell source. http://j.mp/YlQUL via @mfeathers","id":30088341030440960,"from_user_id":24538048,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"158951567","profile_image_url":"http://a3.twimg.com/profile_images/962721419/Logo_3_normal.jpg","created_at":"Wed, 26 Jan 2011 01:58:31 +0000","from_user":"YubaVetTech","id_str":"30082124207886336","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Dr. Haskell has just been awarded the prestigious Hayward Award for \u2018Excellence in Education\u2019. This award honors... http://fb.me/QgQCxd74","id":30082124207886336,"from_user_id":158951567,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.facebook.com/twitter" rel="nofollow">Facebook</a>"},{"from_user_id_str":"158951567","profile_image_url":"http://a3.twimg.com/profile_images/962721419/Logo_3_normal.jpg","created_at":"Wed, 26 Jan 2011 01:56:04 +0000","from_user":"YubaVetTech","id_str":"30081505476743168","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Dr. Haskell has just been awarded the prestigous Haward Award for Excellence in Education. This award honors... http://fb.me/PC9mYmCR","id":30081505476743168,"from_user_id":158951567,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.facebook.com/twitter" rel="nofollow">Facebook</a>"},{"from_user_id_str":"2331498","profile_image_url":"http://a3.twimg.com/profile_images/494632120/me_normal.jpg","created_at":"Wed, 26 Jan 2011 01:43:50 +0000","from_user":"Verus","id_str":"30078427155406848","metadata":{"result_type":"recent"},"to_user_id":79273052,"text":"@kami_joe \u3044\u3084\uff0c\u8ab2\u984c\u306f\u89e3\u6c7a\u5bfe\u8c61(\u30d1\u30ba\u30eb\u3068\u304b)\u3092\u4e0e\u3048\u3089\u308c\u3066\uff0c\u554f\u984c\u5b9a\u7fa9\u3068\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0(\u6307\u5b9a\u8a00\u8a9e\u306fC++\u3082\u3057\u304f\u306fJava)\u3068\u3044\u3046\u3044\u308f\u3070\u666e\u901a\u306a\u8ab2\u984c\u3067\u306f\u3042\u308b\u3093\u3060\u3051\u3069\uff0e\u95a2\u6570\u578b\u8a00\u8a9e\u306fHaskell\u306e\u6388\u696d\u304c\u307e\u305f\u5225\u306b\u3042\u308b\u306e\uff0e","id":30078427155406848,"from_user_id":2331498,"to_user":"kami_joe","geo":null,"iso_language_code":"ja","to_user_id_str":"79273052","source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"79151233","profile_image_url":"http://a2.twimg.com/a/1295051201/images/default_profile_2_normal.png","created_at":"Wed, 26 Jan 2011 01:40:37 +0000","from_user":"cz_newdrafts","id_str":"30077617361125376","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell programming language http://bit.ly/gpPAwB","id":30077617361125376,"from_user_id":79151233,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://tommorris.org/" rel="nofollow">tommorris' hacksample</a>"},{"from_user_id_str":"2331498","profile_image_url":"http://a3.twimg.com/profile_images/494632120/me_normal.jpg","created_at":"Wed, 26 Jan 2011 01:02:57 +0000","from_user":"Verus","id_str":"30068139416879104","metadata":{"result_type":"recent"},"to_user_id":9252720,"text":"@shukukei Java\u3068C\u306f\u3042\u308b\u7a0b\u5ea6\u66f8\u3051\u3066\u3042\u305f\u308a\u307e\u3048\u306a\u3068\u3053\u308d\u304c\u3042\u308b\u304b\u3089\u306a\u30fc\uff0ePython\u306f\u500b\u4eba\u7684\u306b\u611f\u899a\u304c\u5408\u308f\u306a\u3044\uff0e\u611f\u899a\u306a\u306e\u3067\uff0c\u3082\u3046\u3069\u3046\u3057\u3088\u3046\u3082\u306a\u3044\uff57 \u3044\u307e\u306fScala\u3068Haskell\u3092\u3082\u3063\u3068\u6975\u3081\u305f\u3044\u3068\u3053\u308d\uff0e","id":30068139416879104,"from_user_id":2331498,"to_user":"shukukei","geo":null,"iso_language_code":"ja","to_user_id_str":"9252720","source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"2781460","profile_image_url":"http://a0.twimg.com/profile_images/82526625/.joeyicon_normal.jpg","created_at":"Wed, 26 Jan 2011 01:02:35 +0000","from_user":"joeyhess","id_str":"30068046538219520","metadata":{"result_type":"recent"},"to_user_id":null,"text":"just figured out that I can use parameterized types to remove a dependency loop in git-annex's type definitions. whee #haskell","id":30068046538219520,"from_user_id":2781460,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://identi.ca" rel="nofollow">identica</a>"},{"from_user_id_str":"144546280","profile_image_url":"http://a1.twimg.com/a/1295051201/images/default_profile_1_normal.png","created_at":"Wed, 26 Jan 2011 00:54:22 +0000","from_user":"listwarenet","id_str":"30065977920061440","metadata":{"result_type":"recent"},"to_user_id":null,"text":"http://www.listware.net/201101/haskell-beginners/84466-haskell-beginners-bytestring-question.html Haskell-beginners - Bytestrin","id":30065977920061440,"from_user_id":144546280,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://1e10.org/cloud/" rel="nofollow">1e10</a>"},{"from_user_id_str":"1291845","profile_image_url":"http://a0.twimg.com/profile_images/1225743404/ThinOxygen-small-opaque-solidarity_normal.png","created_at":"Wed, 26 Jan 2011 00:52:07 +0000","from_user":"_aaron_","id_str":"30065412242669568","metadata":{"result_type":"recent"},"to_user_id":null,"text":"wanted: librly licensed high level native compiled lang with min runtime (otherwise cobra/mono would be perfect) for win. lua? haskell? ooc?","id":30065412242669568,"from_user_id":1291845,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"5912444","profile_image_url":"http://a2.twimg.com/profile_images/546261026/ssf0xg11_normal.jpg","created_at":"Wed, 26 Jan 2011 00:45:45 +0000","from_user":"shelarcy","id_str":"30063810773516288","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @Hackage: download 0.3.1.1, added by MagnusTherning: High-level file download based on URLs http://bit.ly/eHfiJB","id":30063810773516288,"from_user_id":5912444,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"135993","profile_image_url":"http://a2.twimg.com/profile_images/1190667086/myface2010small_normal.jpg","created_at":"Wed, 26 Jan 2011 00:41:00 +0000","from_user":"kudzu_naoki","id_str":"30062613287141376","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @tanakh: \u9b54\u6cd5Haskell\u5c11\u5973\u5019\u88dc\u3092\u63a2\u3059\u306e\u3082\u5927\u5909\u306a\u3093\u3060","id":30062613287141376,"from_user_id":135993,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.hootsuite.com" rel="nofollow">HootSuite</a>"},{"from_user_id_str":"52620546","profile_image_url":"http://a1.twimg.com/profile_images/434693356/twitter-icon_normal.png","created_at":"Wed, 26 Jan 2011 00:40:25 +0000","from_user":"omasanori","id_str":"30062465656033280","metadata":{"result_type":"recent"},"to_user_id":null,"text":"\u9b54\u6cd5Haskell\u5c11\u5973\u306e\u4e00\u65e5\u306fGHC HEAD\u306e\u30d3\u30eb\u30c9\u304b\u3089\u59cb\u307e\u308b","id":30062465656033280,"from_user_id":52620546,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.movatwi.jp" rel="nofollow">www.movatwi.jp</a>"},{"from_user_id_str":"52620546","profile_image_url":"http://a1.twimg.com/profile_images/434693356/twitter-icon_normal.png","created_at":"Wed, 26 Jan 2011 00:37:12 +0000","from_user":"omasanori","id_str":"30061656331526144","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @tanakh: \u50d5\u3068\u5951\u7d04\u3057\u3066\u9b54\u6cd5Haskell\u5c11\u5973\u306b\u306a\u308d\u3046\u3088\uff01","id":30061656331526144,"from_user_id":52620546,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.hootsuite.com" rel="nofollow">HootSuite</a>"},{"from_user_id_str":"135993","profile_image_url":"http://a2.twimg.com/profile_images/1190667086/myface2010small_normal.jpg","created_at":"Wed, 26 Jan 2011 00:35:42 +0000","from_user":"kudzu_naoki","id_str":"30061282665168896","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @tanakh: \u50d5\u3068\u5951\u7d04\u3057\u3066\u9b54\u6cd5Haskell\u5c11\u5973\u306b\u306a\u308d\u3046\u3088\uff01","id":30061282665168896,"from_user_id":135993,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.hootsuite.com" rel="nofollow">HootSuite</a>"},{"from_user_id_str":"1631333","profile_image_url":"http://a1.twimg.com/profile_images/81268862/profile300_normal.jpg","created_at":"Wed, 26 Jan 2011 00:30:02 +0000","from_user":"qnighy","id_str":"30059855884582913","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @tanakh: \u50d5\u3068\u5951\u7d04\u3057\u3066\u9b54\u6cd5Haskell\u5c11\u5973\u306b\u306a\u308d\u3046\u3088\uff01","id":30059855884582913,"from_user_id":1631333,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.hootsuite.com" rel="nofollow">HootSuite</a>"},{"from_user_id_str":"9093754","profile_image_url":"http://a1.twimg.com/profile_images/99435906/PHD_3d_col_blk_normal.jpg","created_at":"Wed, 26 Jan 2011 00:26:20 +0000","from_user":"phdwine","id_str":"30058925516656640","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Last weekend of Tri Nations Tasting with PHD wines at Haskell Vineyards. Hope you didn't miss the Pinot Noir tasting last week !","id":30058925516656640,"from_user_id":9093754,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"2119923","profile_image_url":"http://a2.twimg.com/profile_images/1096701078/djayprofile_normal.jpg","created_at":"Wed, 26 Jan 2011 00:21:14 +0000","from_user":"djay75","id_str":"30057639543050240","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @dnene: Skilled Calisthenics. Haskell code that outputs python which spits ruby which emits the haskell source. http://j.mp/YlQUL via @mfeathers","id":30057639543050240,"from_user_id":2119923,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"134323731","profile_image_url":"http://a2.twimg.com/profile_images/1225818824/IMG00518-20110125-1547_normal.jpg","created_at":"Wed, 26 Jan 2011 00:19:30 +0000","from_user":"PrinceOfBrkeley","id_str":"30057205554216960","metadata":{"result_type":"recent"},"to_user_id":167093027,"text":"@PayThaPrince go to haskell.","id":30057205554216960,"from_user_id":134323731,"to_user":"PayThaPrince","geo":null,"iso_language_code":"en","to_user_id_str":"167093027","source":"<a href="http://blackberry.com/twitter" rel="nofollow">Twitter for BlackBerry\u00ae</a>"},{"from_user_id_str":"705857","profile_image_url":"http://a1.twimg.com/profile_images/429483912/ben_twitter_normal.jpg","created_at":"Wed, 26 Jan 2011 00:03:28 +0000","from_user":"bennadel","id_str":"30053166972141569","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Using #Homebrew to install Haskell - the last of the Seven Languages (in Seven Weeks) http://bit.ly/eA9Cv1 This has been some journey.","id":30053166972141569,"from_user_id":705857,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"251466","profile_image_url":"http://a2.twimg.com/profile_images/1194100934/pass_normal.jpg","created_at":"Wed, 26 Jan 2011 00:02:54 +0000","from_user":"simonszu","id_str":"30053025502466048","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Ouh yeah! Ich werde doch produktiv sein, diese Semesterferien. Ich werde funktional Programmieren lernen. #haskell, Baby.","id":30053025502466048,"from_user_id":251466,"geo":null,"iso_language_code":"de","to_user_id_str":null,"source":"<a href="http://www.echofon.com/" rel="nofollow">Echofon</a>"},{"from_user_id_str":"357786","profile_image_url":"http://a0.twimg.com/profile_images/612044841/FM_2010_normal.jpg","created_at":"Tue, 25 Jan 2011 23:59:13 +0000","from_user":"diligiant","id_str":"30052100973006848","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @paulrbrown: "...we only discovered a single bug after compilation." (http://t.co/K0wlEYz) #haskell","id":30052100973006848,"from_user_id":357786,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"101597523","profile_image_url":"http://a1.twimg.com/profile_images/1206183256/2010-12-12-204902_normal.jpg","created_at":"Tue, 25 Jan 2011 23:54:46 +0000","from_user":"wlad_kent","id_str":"30050977964892160","metadata":{"result_type":"recent"},"to_user_id":86297184,"text":"@Nilson_Neto Isso eh bem basico. quando vc estiver estudando recurs\u00e3o em Haskell, ai vc vai ver oq eh papo de nerd - kkk - 1\u00ba periodo isso.","id":30050977964892160,"from_user_id":101597523,"to_user":"Nilson_Neto","geo":null,"iso_language_code":"pt","to_user_id_str":"86297184","source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"144546280","profile_image_url":"http://a1.twimg.com/a/1295051201/images/default_profile_1_normal.png","created_at":"Tue, 25 Jan 2011 23:51:22 +0000","from_user":"listwarenet","id_str":"30050123383832577","metadata":{"result_type":"recent"},"to_user_id":null,"text":"http://www.listware.net/201101/haskell-cafe/84336-haskell-cafe-monomorphic-let-bindings-and-darcs.html Haskell-cafe - Monomorph","id":30050123383832577,"from_user_id":144546280,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://1e10.org/cloud/" rel="nofollow">1e10</a>"},{"from_user_id_str":"5776901","profile_image_url":"http://a0.twimg.com/profile_images/472682157/lucabw_normal.JPG","created_at":"Tue, 25 Jan 2011 23:48:40 +0000","from_user":"lsbardel","id_str":"30049446469312512","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Very interesting technology stack these guys use http://bit.ly/ghAjS7 #python #redis #haskell","id":30049446469312512,"from_user_id":5776901,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"3005901","profile_image_url":"http://a0.twimg.com/profile_images/278943006/Lone_Pine_Peak_-_Peter_200x200_normal.jpg","created_at":"Tue, 25 Jan 2011 23:45:48 +0000","from_user":"pmonks","id_str":"30048721110573056","metadata":{"result_type":"recent"},"to_user_id":203834278,"text":"@techielicous Haskell: http://bit.ly/gy3oFi ;-)","id":30048721110573056,"from_user_id":3005901,"to_user":"techielicous","geo":null,"iso_language_code":"en","to_user_id_str":"203834278","source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"162697074","profile_image_url":"http://a2.twimg.com/profile_images/826205838/ryan3_normal.jpg","created_at":"Tue, 25 Jan 2011 23:44:47 +0000","from_user":"TheRonaldMCD","id_str":"30048468781244416","metadata":{"result_type":"recent"},"to_user_id":null,"text":"I'm at Aldi Food Market (4122 Gaston Ave, Haskell, Dallas) http://4sq.com/ekqRY7","id":30048468781244416,"from_user_id":162697074,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://foursquare.com" rel="nofollow">foursquare</a>"},{"from_user_id_str":"203834278","profile_image_url":"http://a0.twimg.com/profile_images/1223375080/me_normal.jpg","created_at":"Tue, 25 Jan 2011 23:44:04 +0000","from_user":"techielicous","id_str":"30048286589067264","metadata":{"result_type":"recent"},"to_user_id":3005901,"text":"@pmonks I was thinking Haskell or Scheme","id":30048286589067264,"from_user_id":203834278,"to_user":"pmonks","geo":null,"iso_language_code":"en","to_user_id_str":"3005901","source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"537690","profile_image_url":"http://a3.twimg.com/profile_images/45665122/nushiostamp_normal.jpg","created_at":"Tue, 25 Jan 2011 23:38:14 +0000","from_user":"nushio","id_str":"30046818658164737","metadata":{"result_type":"recent"},"to_user_id":null,"text":"\u305d\u3046\u3044\u3084\u5951\u7d04\u306b\u3088\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u304b\u3042\u3063\u305f\u306a\u3002Haskell\u306a\u3093\u304b\u3088\u308a\u3042\u3063\u3061\u306e\u65b9\u304c\u9b54\u6cd5\u5c11\u5973\u547c\u3070\u308f\u308a\u306b\u3075\u3055\u308f\u3057\u3044\u3002","id":30046818658164737,"from_user_id":537690,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"181192","profile_image_url":"http://a2.twimg.com/profile_images/1089890701/q530888600_9828_normal.jpg","created_at":"Tue, 25 Jan 2011 23:38:03 +0000","from_user":"aodag","id_str":"30046772223016960","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @omasanori: \u300c\u3082\u3046\u4f55\u5e74\u3082Haskell\u306e\u3053\u3068\u3057\u304b\u8003\u3048\u3066\u306a\u304b\u3063\u305f\u304b\u3089\u306a\u3001\u30eb\u30fc\u30d7\u306e\u4f7f\u3044\u65b9\u5fd8\u308c\u3066\u305f\u300d","id":30046772223016960,"from_user_id":181192,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.movatwi.jp" rel="nofollow">www.movatwi.jp</a>"},{"from_user_id_str":"5886055","profile_image_url":"http://a3.twimg.com/profile_images/85531669/ichi_normal.jpg","created_at":"Tue, 25 Jan 2011 23:37:53 +0000","from_user":"kanaya","id_str":"30046729243983873","metadata":{"result_type":"recent"},"to_user_id":null,"text":"\u9e97\u3057\u3044\u3002\u201c@omasanori: \u300c\u3082\u3046\u4f55\u5e74\u3082Haskell\u306e\u3053\u3068\u3057\u304b\u8003\u3048\u3066\u306a\u304b\u3063\u305f\u304b\u3089\u306a\u3001\u30eb\u30fc\u30d7\u306e\u4f7f\u3044\u65b9\u5fd8\u308c\u3066\u305f\u300d\u201d","id":30046729243983873,"from_user_id":5886055,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://itunes.apple.com/app/twitter/id333903271?mt=8" rel="nofollow">Twitter for iPad</a>"},{"from_user_id_str":"52620546","profile_image_url":"http://a1.twimg.com/profile_images/434693356/twitter-icon_normal.png","created_at":"Tue, 25 Jan 2011 23:36:26 +0000","from_user":"omasanori","id_str":"30046367187476481","metadata":{"result_type":"recent"},"to_user_id":null,"text":"\u300c\u3082\u3046\u4f55\u5e74\u3082Haskell\u306e\u3053\u3068\u3057\u304b\u8003\u3048\u3066\u306a\u304b\u3063\u305f\u304b\u3089\u306a\u3001\u30eb\u30fc\u30d7\u306e\u4f7f\u3044\u65b9\u5fd8\u308c\u3066\u305f\u300d","id":30046367187476481,"from_user_id":52620546,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://www.movatwi.jp" rel="nofollow">www.movatwi.jp</a>"},{"from_user_id_str":"1659992","profile_image_url":"http://a1.twimg.com/profile_images/504488750/1_normal.jpg","created_at":"Tue, 25 Jan 2011 23:16:13 +0000","from_user":"finalfusion","id_str":"30041278544609280","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @necocen: Haskell\u306e\u30df\u30b5\u30ef\u3001\u3068\u3044\u3046\u3082\u306e\u3092\u8003\u3048\u3066\u307f\u3066\u3071\u3063\u3068\u3057\u306a\u3044","id":30041278544609280,"from_user_id":1659992,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"272513","profile_image_url":"http://a2.twimg.com/profile_images/320244078/Mike_Painting2_normal.png","created_at":"Tue, 25 Jan 2011 23:05:09 +0000","from_user":"mikehadlow","id_str":"30038492373319680","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Just written the same simple program in C#, F# and Haskell: 18, 12 and 9 LoC respectively. And I'm much better at C# than F# or Haskell.","id":30038492373319680,"from_user_id":272513,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"89393264","profile_image_url":"http://a0.twimg.com/profile_images/1169486472/020_portland_me_normal.jpg","created_at":"Tue, 25 Jan 2011 23:01:28 +0000","from_user":"newsportlandme","id_str":"30037564589084673","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Governor's Choice to Run Maine DOC Under Scrutiny - MPBN: State Rep. Anne Haskell, a Portland Democrat, says Mai... http://bit.ly/fO30gC","id":30037564589084673,"from_user_id":89393264,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"38138","profile_image_url":"http://a3.twimg.com/profile_images/1212565885/Screen_shot_2011-01-11_at_5.28.47_PM_normal.png","created_at":"Tue, 25 Jan 2011 22:59:55 +0000","from_user":"michaelneale","id_str":"30037174615281664","metadata":{"result_type":"recent"},"to_user_id":null,"text":"The haskell EvilMangler http://t.co/P2Tls7J","id":30037174615281664,"from_user_id":38138,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"45692","profile_image_url":"http://a3.twimg.com/profile_images/1177741507/dogkarno_r_normal.jpg","created_at":"Tue, 25 Jan 2011 22:45:06 +0000","from_user":"karno","id_str":"30033448286552064","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell\u3063\u3066\u95a2\u6570\u306b\u30ab\u30ec\u30fc\u7c89\u3076\u3061\u8fbc\u3080\u3068\u304b\u306a\u3093\u3068\u304b","id":30033448286552064,"from_user_id":45692,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://yubitter.com/" rel="nofollow">yubitter</a>"},{"from_user_id_str":"27605","profile_image_url":"http://a2.twimg.com/profile_images/15826632/meron_normal.jpg","created_at":"Tue, 25 Jan 2011 22:44:23 +0000","from_user":"celeron1ghz","id_str":"30033268761956352","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @necocen: Haskell\u306e\u30df\u30b5\u30ef\u3001\u3068\u3044\u3046\u3082\u306e\u3092\u8003\u3048\u3066\u307f\u3066\u3071\u3063\u3068\u3057\u306a\u3044","id":30033268761956352,"from_user_id":27605,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"12901","profile_image_url":"http://a1.twimg.com/profile_images/56091349/haruhi_nagato-Y_normal.jpg","created_at":"Tue, 25 Jan 2011 22:43:30 +0000","from_user":"necocen","id_str":"30033044035346432","metadata":{"result_type":"recent"},"to_user_id":null,"text":"\u307e\u3042Haskell\u77e5\u3089\u3093\u3057\u306d","id":30033044035346432,"from_user_id":12901,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"12901","profile_image_url":"http://a1.twimg.com/profile_images/56091349/haruhi_nagato-Y_normal.jpg","created_at":"Tue, 25 Jan 2011 22:42:54 +0000","from_user":"necocen","id_str":"30032894856531968","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell\u306e\u30df\u30b5\u30ef\u3001\u3068\u3044\u3046\u3082\u306e\u3092\u8003\u3048\u3066\u307f\u3066\u3071\u3063\u3068\u3057\u306a\u3044","id":30032894856531968,"from_user_id":12901,"geo":null,"iso_language_code":"ja","to_user_id_str":null,"source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"10821270","profile_image_url":"http://a0.twimg.com/profile_images/1195474259/Salto_Marlon_normal.jpg","created_at":"Tue, 25 Jan 2011 22:35:09 +0000","from_user":"jjedMoriAnktah","id_str":"30030942106025984","metadata":{"result_type":"recent"},"to_user_id":null,"text":""A Haskell program that outputs a Python program that outputs a Ruby program that outputs the original Haskell program" http://is.gd/E6Julu","id":30030942106025984,"from_user_id":10821270,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://www.tweetdeck.com" rel="nofollow">TweetDeck</a>"},{"from_user_id_str":"7554762","profile_image_url":"http://a0.twimg.com/profile_images/100515212/ajay-photo_normal.jpg","created_at":"Tue, 25 Jan 2011 22:34:30 +0000","from_user":"comatose_kid","id_str":"30030780205899776","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @bumptech: Bump Dev Blog - Why we use Haskell at Bump http://devblog.bu.mp/haskell-at-bump","id":30030780205899776,"from_user_id":7554762,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"148474705","profile_image_url":"http://a0.twimg.com/profile_images/1119234716/fur_hat_-_gilbeys_vodka_-_life_-_11-30-1962_normal.JPG","created_at":"Tue, 25 Jan 2011 22:29:19 +0000","from_user":"landmvintage","id_str":"30029476003840000","metadata":{"result_type":"recent"},"to_user_id":null,"text":"RT @faerymoongodess: Magnificent Miriam Haskell Baroque Pearl Necklace by @MercyMadge http://etsy.me/hqRl51","id":30029476003840000,"from_user_id":148474705,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"37715508","profile_image_url":"http://a1.twimg.com/profile_images/1207891411/ballerina_normal.jpg","created_at":"Tue, 25 Jan 2011 22:24:52 +0000","from_user":"faerymoongodess","id_str":"30028356326002688","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Magnificent Miriam Haskell Baroque Pearl Necklace by @MercyMadge http://etsy.me/hqRl51","id":30028356326002688,"from_user_id":37715508,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"17671137","profile_image_url":"http://a2.twimg.com/profile_images/290264834/Haskell-logo-outer-glow_normal.png","created_at":"Tue, 25 Jan 2011 22:17:16 +0000","from_user":"Hackage","id_str":"30026442456694784","metadata":{"result_type":"recent"},"to_user_id":null,"text":"base16-bytestring 0.1.0.0, added by BryanOSullivan: Fast base16 (hex) encoding and deconding for ByteStrings http://bit.ly/eu75TN","id":30026442456694784,"from_user_id":17671137,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"199750997","profile_image_url":"http://a3.twimg.com/sticky/default_profile_images/default_profile_2_normal.png","created_at":"Tue, 25 Jan 2011 22:12:07 +0000","from_user":"benreads","id_str":"30025146991382528","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Writing Systems Software in a Functional Language -- brief, but fun. I want to see how well they can make Systems Haskell perform at scale.","id":30025146991382528,"from_user_id":199750997,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/">web</a>"},{"from_user_id_str":"35359797","profile_image_url":"http://a1.twimg.com/profile_images/1173453785/48893_521140819_1896062_q_normal.jpg","created_at":"Tue, 25 Jan 2011 22:09:45 +0000","from_user":"jcawthorne1","id_str":"30024549265309696","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Just saw Jeff Haskell give the middle finger!! Lol awesome","id":30024549265309696,"from_user_id":35359797,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitter.com/" rel="nofollow">Twitter for iPhone</a>"},{"from_user_id_str":"13540930","profile_image_url":"http://a1.twimg.com/profile_images/1205312219/23467_350321383101_821143101_5114147_3010041_n_normal.jpg","created_at":"Tue, 25 Jan 2011 22:06:44 +0000","from_user":"goodfox","id_str":"30023790381498369","metadata":{"result_type":"recent"},"to_user_id":null,"text":"At the Haskell Convocation. (@ Haskell Indian Nations U Auditorium) http://4sq.com/eKKXyn","id":30023790381498369,"from_user_id":13540930,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://foursquare.com" rel="nofollow">foursquare</a>"},{"from_user_id_str":"14674418","profile_image_url":"http://a2.twimg.com/profile_images/238230125/IMG_1030-1_normal.jpg","created_at":"Tue, 25 Jan 2011 22:02:31 +0000","from_user":"sanityinc","id_str":"30022731919523840","metadata":{"result_type":"recent"},"to_user_id":371289,"text":"@xshay Haskell's great, but Clojure's similarly lazy in all the ways that matter, and is more practical for day-to-day use.","id":30022731919523840,"from_user_id":14674418,"to_user":"xshay","geo":null,"iso_language_code":"en","to_user_id_str":"371289","source":"<a href="http://www.echofon.com/" rel="nofollow">Echofon</a>"},{"from_user_id_str":"371289","profile_image_url":"http://a2.twimg.com/profile_images/1113482439/me-brisbane_normal.jpg","created_at":"Tue, 25 Jan 2011 21:58:29 +0000","from_user":"xshay","id_str":"30021714444292096","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Just made a lazy sequence of prime numbers in haskell. I'm smitten.","id":30021714444292096,"from_user_id":371289,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://itunes.apple.com/us/app/twitter/id409789998?mt=12" rel="nofollow">Twitter for Mac</a>"},{"from_user_id_str":"199453873","profile_image_url":"http://a3.twimg.com/a/1294785484/images/default_profile_3_normal.png","created_at":"Tue, 25 Jan 2011 21:48:40 +0000","from_user":"stackfeed","id_str":"30019243982454784","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Practical Scala reference manual, for searching things like method names: Hello, \n\nInspired by\nHaskell API Searc... http://bit.ly/g4zWZQ","id":30019243982454784,"from_user_id":199453873,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"17489366","profile_image_url":"http://a3.twimg.com/sticky/default_profile_images/default_profile_2_normal.png","created_at":"Tue, 25 Jan 2011 21:45:32 +0000","from_user":"aapnoot","id_str":"30018455189065728","metadata":{"result_type":"recent"},"to_user_id":null,"text":"download 0.3.1, added by MagnusTherning: High-level file download based on URLs http://bit.ly/i8mYvi","id":30018455189065728,"from_user_id":17489366,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"17489366","profile_image_url":"http://a3.twimg.com/sticky/default_profile_images/default_profile_2_normal.png","created_at":"Tue, 25 Jan 2011 21:45:31 +0000","from_user":"aapnoot","id_str":"30018452601180160","metadata":{"result_type":"recent"},"to_user_id":null,"text":"download 0.3.1.1, added by MagnusTherning: High-level file download based on URLs http://bit.ly/eHfiJB","id":30018452601180160,"from_user_id":17489366,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"17671137","profile_image_url":"http://a2.twimg.com/profile_images/290264834/Haskell-logo-outer-glow_normal.png","created_at":"Tue, 25 Jan 2011 21:45:31 +0000","from_user":"Hackage","id_str":"30018451867176960","metadata":{"result_type":"recent"},"to_user_id":null,"text":"download 0.3.1, added by MagnusTherning: High-level file download based on URLs http://bit.ly/i8mYvi","id":30018451867176960,"from_user_id":17671137,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"138502705","profile_image_url":"http://a1.twimg.com/profile_images/1083845614/yclogo_normal.gif","created_at":"Tue, 25 Jan 2011 21:45:04 +0000","from_user":"newsyc100","id_str":"30018340839755777","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Haskell improves log processing 4x over Python http://devblog.bu.mp/haskell-at-bump (http://bit.ly/gQxxR8)","id":30018340839755777,"from_user_id":138502705,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://news.ycombinator.com" rel="nofollow">newsyc</a>"},{"from_user_id_str":"1578246","profile_image_url":"http://a0.twimg.com/profile_images/59312315/avatar_simpson_small_normal.jpg","created_at":"Tue, 25 Jan 2011 21:43:32 +0000","from_user":"magthe","id_str":"30017953801969665","metadata":{"result_type":"recent"},"to_user_id":null,"text":"New version of download uploaded to #hackage #haskell","id":30017953801969665,"from_user_id":1578246,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://api.supertweet.net" rel="nofollow">MyAuth API Proxy</a>"},{"from_user_id_str":"135838970","profile_image_url":"http://a2.twimg.com/profile_images/1079929891/logo_normal.png","created_at":"Tue, 25 Jan 2011 21:37:51 +0000","from_user":"reward999","id_str":"30016525180084224","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Found Great Dane (Main & Haskell- Dallas): We found a great dane. 214-712-0000 http://bit.ly/fQ8iBw","id":30016525180084224,"from_user_id":135838970,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://twitterfeed.com" rel="nofollow">twitterfeed</a>"},{"from_user_id_str":"137719265","profile_image_url":"http://a2.twimg.com/profile_images/1092224079/8__4__normal.jpg","created_at":"Tue, 25 Jan 2011 21:34:22 +0000","from_user":"WeiMatas","id_str":"30015646020411392","metadata":{"result_type":"recent"},"to_user_id":null,"text":"Fourth day Rez party Eddie Haskell County in second life \u2013 which took place in cabaret Tadd","id":30015646020411392,"from_user_id":137719265,"geo":null,"iso_language_code":"en","to_user_id_str":null,"source":"<a href="http://dlvr.it" rel="nofollow">dlvr.it</a>"},{"from_user_id_str":"144546280","profile_image_url":"http://a1.twimg.com/a/1295051201/images/default_profile_1_normal.png","created_at":"Tue, 25 Jan 2011 21:33:21 +0000","from_user":"listwarenet","id_str":"30015392571195392","metadata":{"result_type":"recent"},"to_user_id":null,"text":"http://www.listware.net/201101/haskell-cafe/83889-haskell-cafe-gpl-license-of-h-matrix-and-prelude-numeric.html Haskell-cafe -","id":30015392571195392,"from_user_id":144546280,"geo":null,"iso_language_code":"no","to_user_id_str":null,"source":"<a href="http://1e10.org/cloud/" rel="nofollow">1e10</a>"}],"max_id":30121530767708160,"since_id":0,"refresh_url":"?since_id=30121530767708160&q=haskell","next_page":"?page=2&max_id=30121530767708160&rpp=100&q=haskell","results_per_page":100,"page":1,"completed_in":1.195569,"since_id_str":"0","max_id_str":"30121530767708160","query":"haskell"} diff --git a/highjson.cabal b/highjson.cabal new file mode 100644 --- /dev/null +++ b/highjson.cabal @@ -0,0 +1,68 @@ +name: highjson +version: 0.1.0.0 +synopsis: Very fast JSON parsing +description: Low boilerplate, easy to use and very fast JSON parsing +homepage: https://github.com/agrafix/highjson +bug-reports: https://github.com/agrafix/highjson/issues +license: MIT +license-file: LICENSE +author: Alexander Thiemann +maintainer: Alexander Thiemann +copyright: (c) 2015 Alexander Thiemann +category: Text, Web, JSON +build-type: Simple +stability: experimental +cabal-version: >=1.10 +tested-with: GHC==7.8.3, GHC==7.10.1 + +extra-source-files: + README.md + bench/json-data/*.json + +library + exposed-modules: Data.Json.Parser + build-depends: base >=4.7 && <5, + attoparsec >=0.13.0.0, + bytestring >=0.10.4.0, + containers, + unordered-containers >=0.2.5, + vector >=0.7.1, + text >=1.1.1, + hashable >=1.1.2, + scientific >=0.3.3, + hvect >=0.2 + hs-source-dirs: src + default-language: Haskell2010 + +test-suite highjson-tests + type: exitcode-stdio-1.0 + hs-source-dirs: test + main-is: Main.hs + other-modules: + Data.Json.ParserSpec + build-depends: + base, + hspec >= 2.0, + highjson, + text + default-language: Haskell2010 + ghc-options: -Wall + +source-repository head + type: git + location: git://github.com/agrafix/highjson.git + +benchmark highjson-benchmarks + type: exitcode-stdio-1.0 + ghc-options: -Wall -O2 + hs-source-dirs: bench + default-language: Haskell2010 + main-is: Twitter.hs + build-depends: + base, + criterion >=1.1, + aeson >=0.9, + highjson, + text, + deepseq, + bytestring diff --git a/src/Data/Json/Parser.hs b/src/Data/Json/Parser.hs new file mode 100644 --- /dev/null +++ b/src/Data/Json/Parser.hs @@ -0,0 +1,317 @@ +{-# LANGUAGE BangPatterns #-} +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE ExistentialQuantification #-} +{-# LANGUAGE FlexibleInstances #-} +{-# LANGUAGE GADTs #-} +{-# LANGUAGE KindSignatures #-} +{-# LANGUAGE OverlappingInstances #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE RankNTypes #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TypeOperators #-} +module Data.Json.Parser + ( -- * Parsing from different types + parseJsonBs, parseJsonBsl, parseJsonT + -- * Description how to parse JSON to a Haskell type + , JsonReadable(..) + -- * DSL to easily create parser for custom Haskell types + , runSpec, ObjSpec(..) + , TypedKey, reqKey, optKey + -- * Low level JSON parsing helpers + , readObject, WrappedValue(..), getValueByKey, getOptValueByKey + ) +where + +import Control.Applicative +import Control.Monad +import Data.Attoparsec.ByteString.Char8 +import Data.HVect +import Data.Int +import Data.Maybe +import Data.Scientific hiding (scientific) +import Data.String +import Data.Typeable +import Data.Word +import Prelude hiding (uncurry, take) +import qualified Data.ByteString as BS +import qualified Data.ByteString.Lazy as BSL +import qualified Data.HashMap.Strict as HM +import qualified Data.Text as T +import qualified Data.Text.Encoding as T +import qualified Data.Vector as V + +-- | Parse json from a strict 'BS.ByteString' +parseJsonBs :: JsonReadable t => BS.ByteString -> Either String t +parseJsonBs = parseOnly (readJson <* skipSpace <* endOfInput) +{-# INLINE parseJsonBs #-} + +-- | Parse json from a lazy 'BSL.ByteString' +parseJsonBsl :: JsonReadable t => BSL.ByteString -> Either String t +parseJsonBsl = parseJsonBs . BSL.toStrict +{-# INLINE parseJsonBsl #-} + +-- | Parse json from a strict 'T.Text' +parseJsonT :: JsonReadable t => T.Text -> Either String t +parseJsonT = parseJsonBs . T.encodeUtf8 +{-# INLINE parseJsonT #-} + +-- | Typeclass defining an attoparsec 'Parser' how Haskell types should +-- be parsed from JSON. Use predifined instances (with 'readJson') and +-- 'runSpec' (on 'ObjSpec') to define instances for custom types +class JsonReadable t where + readJson :: Parser t + +instance JsonReadable t => JsonReadable [t] where + readJson = readJList readJson + +instance JsonReadable t => JsonReadable (V.Vector t) where + readJson = liftM V.fromList readJson + +readJList :: Parser t -> Parser [t] +readJList parseEl = + do skipSpace + char '[' + vals <- parseEl `sepBy'` (skipSpace >> char ',') + skipSpace + char ']' + return vals +{-# INLINE readJList #-} + +readTuple :: JsonReadable t => Parser (t, t) +readTuple = + do xs <- readJson + case xs of + (a : b : _) -> return (a, b) + _ -> fail "Not a tuple!" +{-# INLINE readTuple #-} + +instance JsonReadable t => JsonReadable (t, t) where + readJson = readTuple + +instance JsonReadable Bool where + readJson = readBool + +readBool :: Parser Bool +readBool = + do skipSpace + True <$ string "true" <|> False <$ string "false" +{-# INLINE readBool #-} + +instance JsonReadable Scientific where + readJson = skipSpace >> scientific + +instance JsonReadable Double where + readJson = readDouble + +readDouble :: Parser Double +readDouble = liftM toRealFloat readJson +{-# INLINE readDouble #-} + +instance JsonReadable Int where + readJson = readBoundedInteger + +instance JsonReadable Int8 where + readJson = readBoundedInteger + +instance JsonReadable Int16 where + readJson = readBoundedInteger + +instance JsonReadable Int32 where + readJson = readBoundedInteger + +instance JsonReadable Int64 where + readJson = readBoundedInteger + +instance JsonReadable Word where + readJson = readBoundedInteger + +instance JsonReadable Word8 where + readJson = readBoundedInteger + +instance JsonReadable Word16 where + readJson = readBoundedInteger + +instance JsonReadable Word32 where + readJson = readBoundedInteger + +instance JsonReadable Word64 where + readJson = readBoundedInteger + +readBoundedInteger :: (Integral i, Bounded i) => Parser i +readBoundedInteger = + do mRes <- liftM toBoundedInteger readJson + case mRes of + Nothing -> fail "input is not a bounded integer" + Just val -> return val +{-# INLINE readBoundedInteger #-} + +instance JsonReadable T.Text where + readJson = readText + +readText :: Parser T.Text +readText = + do skipSpace + char '"' + txt <- + scan False $ \s c -> + if s + then Just False + else if c == '"' + then Nothing + else Just (c == '\\') + char '"' + case T.decodeUtf8' txt of + Right r -> return r + Left msg -> fail $ show msg +{-# INLINE readText #-} + +instance JsonReadable t => JsonReadable (Maybe t) where + readJson = readMaybe + +readNull :: Parser () +readNull = () <$ string "null" +{-# INLINE readNull #-} + +readMaybe :: JsonReadable t => Parser (Maybe t) +readMaybe = + do skipSpace + Nothing <$ readNull <|> Just <$> readJson +{-# INLINE readMaybe #-} + +instance (JsonReadable a, JsonReadable b) => JsonReadable (Either a b) where + readJson = readEither + +readEither :: (JsonReadable a, JsonReadable b) => Parser (Either a b) +readEither = + Left <$> readJson <|> Right <$> readJson +{-# INLINE readEither #-} + +-- | A value that is 'Typeable' and 'JsonReadable' +data WrappedValue + = forall t. (Typeable t, JsonReadable t) => WrappedValue !t + +readAnyJsonVal :: Parser () +readAnyJsonVal = + () <$ readObject (const Nothing) + <|> () <$ readBool + <|> () <$ readText + <|> () <$ readNull + <|> () <$ (skipSpace >> scientific) + <|> () <$ readJList readAnyJsonVal +{-# INLINE readAnyJsonVal #-} + +-- | Parse a json object given a value parser for each key +readObject :: (T.Text -> Maybe (Parser WrappedValue)) -> Parser (HM.HashMap T.Text WrappedValue) +readObject getKeyParser = + do skipSpace + char '{' + vals <- kvLoop + skipSpace + char '}' + skipSpace + return $! vals + where + kvLoop = + do skipSpace + val <- parseKv + skipSpace + ch <- peekChar' + hm <- + if ch == ',' + then do char ',' + kvLoop + else return HM.empty + return $ + case val of + Just (k, v) -> HM.insert k v hm + Nothing -> hm + parseKv = + do k <- readText + skipSpace + char ':' + case getKeyParser k of + Nothing -> + do readAnyJsonVal + return Nothing + Just parser -> Just <$> ((,) <$> pure k <*> parser) +{-# INLINE readObject #-} + +-- | Get a value out of the map returned by 'readObject' +getValueByKey :: (Monad m, Typeable t) => T.Text -> HM.HashMap T.Text WrappedValue -> m t +getValueByKey key hm = + do optVal <- getOptValueByKey key hm + case optVal of + Nothing -> fail ("Key " ++ show key ++ " not present") + Just val -> return val +{-# INLINE getValueByKey #-} + +-- | Optionally get a value out of the map returned by 'readObject' +getOptValueByKey :: (Monad m, Typeable t) => T.Text -> HM.HashMap T.Text WrappedValue -> m (Maybe t) +getOptValueByKey key hm = + case HM.lookup key hm of + Just (WrappedValue x) -> + case cast x of + Just val -> return (Just val) + Nothing -> fail "Invalid wrapped type" + Nothing -> return Nothing +{-# INLINE getOptValueByKey #-} + +type KeyReader t = + Monad m => T.Text -> HM.HashMap T.Text WrappedValue -> m t + +-- | Json object key to a value t +data TypedKey t = + TypedKey !(KeyReader t) !T.Text + +-- | Required json object key. Use 'IsString' instance for automatic choice +reqKey :: Typeable t => T.Text -> TypedKey t +reqKey = TypedKey getValueByKey + +-- | Optional json object key. Use 'IsString' instance for automatic choice +optKey :: Typeable t => T.Text -> TypedKey (Maybe t) +optKey = + TypedKey optGetter + where + optGetter k hm = + do mOpt <- getOptValueByKey k hm + return $ join mOpt + +instance Typeable t => IsString (TypedKey (Maybe t)) where + fromString = optKey . T.pack + +instance Typeable t => IsString (TypedKey t) where + fromString = reqKey . T.pack + +-- | List of 'TypedKey's, should be in the same order as your +-- constructor in 'runSpec' will expect them +data ObjSpec (ts :: [*]) where + ObjSpecNil :: ObjSpec '[] + (:&&:) :: (JsonReadable t, Typeable t) => !(TypedKey t) -> !(ObjSpec ts) -> ObjSpec (t ': ts) + +infixr 5 :&&: + +type CompiledSpec m ts = + (HM.HashMap T.Text WrappedValue -> m (HVect ts), T.Text -> Maybe (Parser WrappedValue)) + +compileSpec :: Monad m => ObjSpec ts -> CompiledSpec m ts +compileSpec ObjSpecNil = (const (return HNil), const Nothing) +compileSpec ((TypedKey keyReader key :: TypedKey t) :&&: xs) = + let (nextHmFun, nextParserFun) = compileSpec xs + in ( \hm -> + do el <- keyReader key hm + xs <- nextHmFun hm + return (el :&: xs) + , \lookupKey -> + if lookupKey == key + then Just $! liftM WrappedValue (readJson :: Parser t) + else nextParserFun lookupKey + ) + +-- | Convert an 'ObjSpec' into a 'Parser' provided a constructor +-- function +runSpec :: HVectElim ts x -> ObjSpec ts -> Parser x +runSpec mkVal spec = + do let (mkTyVect, kv) = compileSpec spec + !hm <- readObject kv + !vect <- mkTyVect hm + return $! uncurry mkVal vect diff --git a/test/Data/Json/ParserSpec.hs b/test/Data/Json/ParserSpec.hs new file mode 100644 --- /dev/null +++ b/test/Data/Json/ParserSpec.hs @@ -0,0 +1,50 @@ +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE DeriveDataTypeable #-} +module Data.Json.ParserSpec where + +import Data.Json.Parser + +import Data.Typeable +import qualified Data.Text as T +import Test.Hspec + +data SomeDummy + = SomeDummy + { sd_int :: Int + , sd_bool :: Bool + , sd_text :: T.Text + , sd_either :: Either Bool T.Text + , sd_maybe :: Maybe Int + } deriving (Show, Eq) + +instance JsonReadable SomeDummy where + readJson = + runSpec SomeDummy $ "int" :&&: "bool" :&&: "text" :&&: "either" :&&: "maybe" :&&: ObjSpecNil + +data SomeNested + = SomeNested + { sn_list :: [SomeNested] + , sn_obj :: Maybe SomeNested + } deriving (Show, Eq, Typeable) + +instance JsonReadable SomeNested where + readJson = + runSpec SomeNested $ "list" :&&: "obj" :&&: ObjSpecNil + +spec :: Spec +spec = + describe "Parser" $ + do it "Handles custom types correctly" $ + do parseJsonBs "{\"int\": 34, \"text\": \"Teext\", \"bool\": true, \"either\": false}" + `shouldBe` Right (SomeDummy 34 True "Teext" (Left False) Nothing) + parseJsonBs "{\"int\": 34, \"text\": \"Teext\", \"bool\": true, \"either\": \"ok\", \"maybe\": 42}" + `shouldBe` Right (SomeDummy 34 True "Teext" (Right "ok") (Just 42)) + it "Handles extra key correctly" $ + parseJsonBs "{\"int\": 34, \"text\": \"Teext\", \"bool\": true, \"either\": false, \"extraKey\": false}" + `shouldBe` Right (SomeDummy 34 True "Teext" (Left False) Nothing) + it "Handles nested types correctly" $ + do parseJsonBs "{\"list\": [{\"list\": []}], \"obj\": {\"list\": []}}" + `shouldBe` Right (SomeNested [SomeNested [] Nothing] (Just $ SomeNested [] Nothing)) + it "Parses bools correctly" $ + do parseJsonBs "true" `shouldBe` Right True + parseJsonBs "false" `shouldBe` Right False diff --git a/test/Main.hs b/test/Main.hs new file mode 100644 --- /dev/null +++ b/test/Main.hs @@ -0,0 +1,1 @@ +{-# OPTIONS_GHC -F -pgmF hspec-discover #-}