The aeson package

[Tags:bsd3, library, test]

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

To get started, see the documentation for the Data.Aeson module below.

Parsing performance on an early 2011 MacBook Pro (2.2GHz Core i7), running 64-bit GHC 7.6.3, 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 (info)
Change log changelog.md
Dependencies attoparsec (>=0.11.3.4), base (>=4.5 && <4.9), bytestring (>=0.10.4.0), containers, deepseq, dlist (>=0.2), ghc-prim (>=0.2), hashable (>=1.1.2.0), mtl, old-locale, scientific (>=0.3.1 && <0.4), syb, template-haskell (>=2.4), text (>=1.1.1.0), time, unordered-containers (>=0.2.3.0), vector (>=0.7.1) [details]
License BSD3
Copyright (c) 2011-2014 Bryan O'Sullivan (c) 2011 MailRank, Inc.
Author Bryan O'Sullivan <bos@serpentine.com>
Maintainer Bryan O'Sullivan <bos@serpentine.com>
Category Text, Web, JSON
Home page https://github.com/bos/aeson
Bug tracker https://github.com/bos/aeson/issues
Source repository head: git clone git://github.com/bos/aeson.git
head: hg clone https://bitbucket.org/bos/aeson
Uploaded Tue Sep 30 14:51:04 UTC 2014 by BasVanDijk
Updated Thu Jan 14 13:50:56 UTC 2016 by phadej to revision 1
Distributions Arch:1.0.2.1, Debian:0.10.0.0, Fedora:1.0.2.1, FreeBSD:0.8.0.2, LTSHaskell:1.0.2.1, NixOS:1.2.0.0, Stackage:1.1.2.0, Tumbleweed:1.0.2.1
Downloads 248488 total (14723 in the last 30 days)
Votes
12 []
Status Docs uploaded by user
Build status unknown [no reports yet]

Modules

[Index]

Flags

NameDescriptionDefaultType
developeroperate in developer modeDisabledManual
old-localeIf false then depend on time >= 1.5. If true then depend on time < 1.5 together with old-locale.DisabledAutomatic

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-0.8.0.1

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/bos/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@serpentine.com.