logger

Documentation

Index

• func NewContext(ctx context.Context, logger *Logger) context.Context
• type Level
• type Logger
  • func FromContext(ctx context.Context) *Logger
  • func FromEnv(out io.Writer) *Logger
  • func MaybeFromContext(ctx context.Context) (l *Logger)
  • func (l *Logger) Debug(v ...interface{})
  • func (l *Logger) Debugf(format string, v ...interface{})
  • func (l *Logger) Error(v ...interface{})
  • func (l *Logger) Errorf(format string, v ...interface{})
  • func (l *Logger) Info(v ...interface{})
  • func (l *Logger) Infof(format string, v ...interface{})
  • func (l *Logger) Warn(v ...interface{})
  • func (l *Logger) Warnf(format string, v ...interface{})

Functions

func NewContext

func NewContext(ctx context.Context, logger *Logger) context.Context

NewContext derives a context that carries logger from ctx.

Types

type Level

type Level int

const (
	Debug Level = iota
	Info
	Warn
	Error
)

type Logger

type Logger struct {
	// contains filtered or unexported fields
}

func FromContext

func FromContext(ctx context.Context) *Logger

FromContext returns the Logger ctx carries. It panics in case ctx carries no Logger.

func FromEnv

func FromEnv(out io.Writer) *Logger

func MaybeFromContext

func MaybeFromContext(ctx context.Context) (l *Logger)

func (*Logger) Debug

func (l *Logger) Debug(v ...interface{})

func (*Logger) Debugf

func (l *Logger) Debugf(format string, v ...interface{})

func (*Logger) Error

func (l *Logger) Error(v ...interface{})

func (*Logger) Errorf

func (l *Logger) Errorf(format string, v ...interface{})

func (*Logger) Info

func (l *Logger) Info(v ...interface{})

func (*Logger) Infof

func (l *Logger) Infof(format string, v ...interface{})

func (*Logger) Warn

func (l *Logger) Warn(v ...interface{})

func (*Logger) Warnf

func (l *Logger) Warnf(format string, v ...interface{})