logger

Documentation

Overview

Package logger provides a simple console logger for reporting information about execution to stderr.

Index

• type Level
• type Logger
  • func New(level Level, opts ...Option) Logger
• type Option
  • func WithField(key string, value interface{}) Option

Types

type Level

type Level int

Level defines valid logging levels for a Logger.

const (
	DebugLevel Level = iota + 1
	InfoLevel
	WarnLevel
	ErrorLevel
)

Valid logging levels

type Logger

type Logger interface {
	Debug(a ...interface{})
	Debugf(format string, a ...interface{})
	Info(a ...interface{})
	Infof(format string, a ...interface{})
	Warn(a ...interface{})
	Warnf(format string, a ...interface{})
	Error(a ...interface{})
	Errorf(format string, a ...interface{})
}

Logger provides basic logging capabilities at different logging levels.

func New

func New(level Level, opts ...Option) Logger

New initializes a new Logger.

type Option

type Option func(opts *options)

Option defines an option for configuring the logger.

func WithField

func WithField(key string, value interface{}) Option

WithField sets the provided key/value pair for use on all logs.