binary-tagged: Tagged binary serialisation.

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Versions [RSS] 0.1.0.0, 0.1.1.0, 0.1.2.0, 0.1.3.0, 0.1.3.1, 0.1.4.0, 0.1.4.1, 0.1.4.2, 0.1.5, 0.1.5.1, 0.1.5.2, 0.2, 0.3, 0.3.1
Change log CHANGELOG.md
Dependencies aeson (>=0.8 && <1.5), array (>=0.5.0.0 && <0.6), base (>=4.7.0.2 && <4.13), base16-bytestring (>=0.1.1.6 && <0.2), binary (>=0.7.1.0 && <0.10), bytestring (>=0.10.4.0 && <0.11), containers (>=0.5.5.1 && <0.7), generics-sop (>=0.3.2.0 && <0.6), hashable (>=1.2 && <1.4), nats (>=1.1.2 && <1.2), scientific (>=0.3 && <0.4), semigroups (>=0.18.5 && <0.20), SHA (>=1.6 && <1.7), tagged (>=0.7 && <0.9), text (>=1.2.3.0 && <1.3), time (>=1.4.2 && <1.9), unordered-containers (>=0.2 && <0.3), vector (>=0.10 && <0.13) [details]
License BSD-3-Clause
Author Oleg Grenrus <oleg.grenrus@iki.fi>
Maintainer Oleg Grenrus <oleg.grenrus@iki.fi>
Category Data
Home page https://github.com/phadej/binary-tagged#readme
Bug tracker https://github.com/phadej/binary-tagged/issues
Source repo head: git clone https://github.com/phadej/binary-tagged
Uploaded by phadej at 2019-05-10T17:35:05Z
Distributions Arch:0.3.1, Debian:0.2, LTSHaskell:0.3.1, NixOS:0.3.1, Stackage:0.3.1
Downloads 14057 total (63 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2019-05-10 [all 1 reports]

Readme for binary-tagged-0.1.5.2

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binary-tagged

Build Status Hackage Stackage LTS 2 Stackage LTS 3 Stackage Nightly

Structurally tag binary serialisation stream.

Say you have:

data Record = Record
  { _recordFields :: HM.HashMap Text (Integer, ByteString)
  , _recordEnabled :: Bool
  }
  deriving (Eq, Show, Generic)

instance Binary Record
instance HasStructuralInfo Record
instance HasSemanticVersion Record

then you can serialise and deserialise Record values with a structure tag by simply

encodeTaggedFile "cachefile" record
decodeTaggedFile "cachefile" :: IO Record

If structure of Record changes in between, deserialisation will fail early.

The overhead is next to non-observable, see a simple benchmark and the results.