The aeson package

[Tags: bsd3, library]

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

Versions0.1.0.0, 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 (info)
Change logchangelog.md
Dependenciesattoparsec (>=0.13.0.0), base (==4.*), 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, transformers, unordered-containers (>=0.2.5.0), vector (>=0.7.1) [details]
LicenseBSD3
Copyright(c) 2011-2015 Bryan O'Sullivan (c) 2011 MailRank, Inc.
AuthorBryan O'Sullivan <bos@serpentine.com>
MaintainerBryan O'Sullivan <bos@serpentine.com>
Stabilityexperimental
CategoryText, Web, JSON
Home pagehttps://github.com/bos/aeson
Bug trackerhttps://github.com/bos/aeson/issues
Source repositoryhead: git clone git://github.com/bos/aeson.git
head: hg clone https://bitbucket.org/bos/aeson
UploadedMon May 25 19:41:17 UTC 2015 by BryanOSullivan
DistributionsDebian:0.8.0.2, Fedora:0.8.0.2, FreeBSD:0.7.0.6, LTSHaskell:0.8.0.2, NixOS:0.9.0.1, Stackage:0.8.0.2
Downloads222179 total (3204 in last 30 days)
Votes
6 []
StatusDocs available [build log]
Last success reported on 2015-05-25 [all 1 reports]

Modules

[Index]

Flags

NameDescriptionDefault
developeroperate in developer modeDisabled
old-localeIf false then depend on time >= 1.5. If true then depend on time < 1.5 together with old-locale.Disabled

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

Downloads

Maintainers' corner

For package maintainers and hackage trustees

Readme for aeson-0.9.0.1

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:

There's also a Mercurial mirror:

(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.