aeson: Fast JSON parsing and generation

The aeson package

[Tags:bsd3, library, test]

A JSON parsing and generation library optimized for ease of use and high performance.

Parsing performance with GHC 6.12.3 on a late 2010 MacBook Pro (2.66GHz Core i7), for mostly-English tweets from Twitter's JSON search API:

Handling heavily-escaped text is a little more work. Here is parsing performance with Japanese tweets, where much of the text is entirely Unicode-escaped:

Encoding performance on the same machine and data:

(A note on naming: in Greek mythology, Aeson was the father of Jason.)

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Properties

Versions 0.1.0.0, 0.2.0.0, 0.3.0.0, 0.3.1.0, 0.3.1.1, 0.3.2.0, 0.3.2.1, 0.3.2.2, 0.3.2.3, 0.3.2.4, 0.3.2.5, 0.3.2.6, 0.3.2.7, 0.3.2.8, 0.3.2.9, 0.3.2.10, 0.3.2.11, 0.3.2.12, 0.3.2.13, 0.3.2.14, 0.4.0.0, 0.4.0.1, 0.5.0.0, 0.6.0.0, 0.6.0.1, 0.6.0.2, 0.6.1.0, 0.6.2.0, 0.6.2.1, 0.7.0.0, 0.7.0.1, 0.7.0.2, 0.7.0.3, 0.7.0.4, 0.7.0.5, 0.7.0.6, 0.8.0.0, 0.8.0.1, 0.8.0.2, 0.8.1.0, 0.8.1.1, 0.9.0.0, 0.9.0.1, 0.10.0.0, 0.11.0.0, 0.11.1.0, 0.11.1.1, 0.11.1.2, 0.11.1.3, 0.11.1.4, 0.11.2.0, 0.11.2.1, 0.11.3.0, 1.0.0.0, 1.0.1.0, 1.0.2.0, 1.0.2.1, 1.1.0.0, 1.1.1.0, 1.1.2.0, 1.2.0.0, 1.2.1.0 (info)
Dependencies attoparsec (>=0.8.4.0), base (<4.4), blaze-builder (>=0.2.1.4), bytestring, containers (>=0.4.2), deepseq, old-locale, text (>=0.11.0.2), time (<1.5), vector (>=0.7) [details]
License BSD3
Copyright Copyright 2011 MailRank, Inc.
Author Bryan O'Sullivan <bos@mailrank.com>
Maintainer Bryan O'Sullivan <bos@mailrank.com>
Category Text, Web, JSON
Home page http://github.com/mailrank/aeson
Bug tracker http://github.com/mailrank/aeson/issues
Source repository head: git clone http://github.com/mailrank/aeson
head: hg clone http://bitbucket.org/bos/aeson
Uploaded Thu Jan 27 23:36:19 UTC 2011 by BryanOSullivan
Updated Wed Dec 31 17:32:22 UTC 2014 by HerbertValerioRiedel to revision 1
Distributions Arch:1.1.2.0, Debian:0.10.0.0, Fedora:1.0.2.1, FreeBSD:0.8.0.2, LTSHaskell:1.0.2.1, NixOS:1.2.1.0, Stackage:1.1.2.0, Tumbleweed:1.0.2.1
Downloads 291799 total (12342 in the last 30 days)
Votes
12 []
Status Docs uploaded by user
Build status unknown [no reports yet]
Hackage Matrix CI

Modules

[Index]

Flags

NameDescriptionDefaultType
developeroperate in developer modeDisabledAutomatic

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

Downloads

Maintainer's Corner

For package maintainers and hackage trustees

Readme for aeson

Readme for aeson-0.1.0.0

Welcome to aeson

aeson is a fast Haskell library for working with JSON data.

Join in!

We are happy to receive bug reports, fixes, documentation enhancements, and other improvements.

Please report bugs via the github issue tracker.

Master git repository:

  • git clone git://github.com/mailrank/aeson.git

There's also a Mercurial mirror:

  • hg clone http://bitbucket.org/bos/aeson

(You can create and contribute changes using either git or Mercurial.)

Authors

This library is written and maintained by Bryan O'Sullivan, bos@mailrank.com.