logging

Documentation

Index

• Variables
• type Logger
  • func NewJSONLogger(w io.Writer) Logger
  • func NewNopLogger() Logger

Variables

var ErrMissingValue = errors.New("(MISSING)")

Types

type Logger

type Logger interface {
	Log(keyvals ...interface{}) error
}

func NewJSONLogger

func NewJSONLogger(w io.Writer) Logger

NewJSONLogger returns a Logger that encodes keyvals to the Writer as a single JSON object. Each log event produces no more than one call to w.Write. The passed Writer must be safe for concurrent use by multiple goroutines if the returned Logger will be used concurrently.

func NewNopLogger

func NewNopLogger() Logger

NewNopLogger returns a logger that doesn't do anything.