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
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

log

package

Go to main page

Versions in this module

v1

v1.6.1

Oct 15, 2025

v0

v0.0.3

Oct 15, 2025

v0.0.2

Oct 15, 2025

Changes in this version

+ var DefaultFormat = TextFormat

+ var DefaultSize = 256

+ func JSONFormat(r Record) string

+ func TextFormat(r Record) string

+ type FormatFunc func(Record) string

+ type Log interface

+ Read func(...ReadOption) ([]Record, error)

+ Stream func() (Stream, error)

+ Write func(Record) error

+ type Option func(*Options)

+ func Format(f FormatFunc) Option

+ func Name(n string) Option

+ func Size(s int) Option

+ type Options struct

+ Format FormatFunc

+ Name string

+ Size int

+ func DefaultOptions() Options

+ type ReadOption func(*ReadOptions)

+ func Count(c int) ReadOption

+ func Since(s time.Time) ReadOption

+ type ReadOptions struct

+ Count int

+ Since time.Time

+ Stream bool

+ type Record struct

+ Message interface{}

+ Metadata map[string]string

+ Timestamp time.Time

+ type Stream interface

+ Chan func() <-chan Record

+ Stop func() error