Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

msgpack

package

Go to main page

Versions in this module

v2

v2.3.0

Sep 2, 2026

v2.2.1

Aug 29, 2026

v2.2.0

Aug 28, 2026

Changes in this version

+ const Lz4ArrayType

+ const Lz4BlockType

+ func CompressLz4BlockArray(data []byte) ([]byte, error)

+ func DecodeIndexedObjectSelf(d *codec.Decoder, value interface{})

+ func DecodeMsgpack(data []byte, out interface{}) error

+ func DecompressLz4BlockArray(data []byte) ([]byte, error)

+ func EncodeIndexedMsgpack(v codec.Selfer) ([]byte, error)

+ func EncodeIndexedObjectSelf(e *codec.Encoder, value interface{})

+ func EncodeMsgpack(v interface{}) ([]byte, error)

+ func ReadArrayHeader(data []byte, pos *int64) int64

+ func ReadArrayHeaderStrict(data []byte, pos *int64) (int64, error)

+ func ReadBin(data []byte, pos *int64) ([]byte, error)

+ func ReadExtHeader(data []byte, pos *int64, expectedType int8) (int64, error)

+ func ReadMapHeader(data []byte, pos *int64) (int64, error)

+ func WriteArrayHeader(buf []byte, length int64) []byte

+ func WriteExt(buf []byte, extType int8, payload []byte) []byte

+ type ConstructorDefaults interface

+ ApplyMessagePackConstructorDefaults func()

+ type IndexedObjectLayoutState interface

+ MessagePackIndexedObjectWidth func() int32

+ SetMessagePackIndexedObjectWidth func(int32)