Serialize instance for Message Pack Object

Version on this page:0.5.4
LTS Haskell 12.26:0.5.4
Stackage Nightly 2019-05-21:0.5.4
Latest on Hackage:0.5.4

See all snapshots messagepack appears in

MIT licensed by Rodrigo Setti
Maintained by

Module documentation for 0.5.4

There are no documented modules for this package.


Build Status

Serialize instance for Message Pack Object.

For a for Message Pack RPC (remote procedure call) support library, check messagepack-rpc.


2016-11-29 Sebastian Witte <>

* Add NFData instance

2015-11-03 Rodrigo Setti <>

* Updates cereal to

2015-08-07 Will Sewell <>

* Add ObjectUInt constructor for messagepack unsigned ints

2015-05-07 Mike Pye <>

* Remove coercion of msgpack String type to haskell Text

2014-12-03 Sebastian Witte <>

* Add support for extension types

2014-11-13 Rodrigo Setti <>

* Changes `ObjectInt` data from `Int` to `Int64`, so it can be possible
to pack a 64bit int on a 32bit system.

2014-07-25 Rodrigo Setti <>

* Fix a fatal bug: Data.MessagePack.Spec was not exposed, thus failing the
package installation.

2014-07-25 Rodrigo Setti <>

* Initial version: Serialize instances tested for consistency.
* Missing: Extension types
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