bencoding: A library for encoding and decoding of BEncode data.

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A library for fast and easy encoding and decoding of BEncode data.

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Dependencies attoparsec (>=0.10), base (>=4.4 && <5), bytestring (>=0.10), deepseq (>=1.3), ghc-prim, integer-gmp, mtl, pretty, semigroups (>=0.9 && <0.19), text (>=0.11) [details]
License BSD-3-Clause
Copyright (c) 2013-2018, Sam Truzjan (c) 2018 Sergey Vinokurov
Author Sam Truzjan
Maintainer Sergey Vinokurov <>
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Source repo head: git clone -b master
this: git clone -b master(tag v0.4.4.0)
Uploaded by SergeyVinokurov at 2018-08-18T12:14:34Z


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BEncode is JSON-like format used in bittorrent protocol but might be used anywhere else.


This package implements fast seamless encoding/decoding to/from bencode format for many native datatypes. To achieve more performance we use bytestring builders and hand optimized attoparsec parser so this library is considered as replacement for BEncode and AttoBencode packages.


Bencode is pretty similar to JSON: it has dictionaries(JSON objects), lists(JSON arrays), strings and integers. However bencode has a few advantages:

Hovewer there are some disadvantages comparing with JSON:


For documentation see package hackage page.

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