lgr

Documentation

Overview

Package lgr An instance of library logger, used for direct output from the command line, etc.

To change logger level shou use the system environment "UYMAS_LGR_LEVEL", like:

//window powershell
$env:UYMAS_LGR_LEVEL='all'

// linux shell
export UYMAS_LGR_LEVEL=all

if not info by default.

Index

• Constants
• func Debug(message string, args ...any)
• func Error(message string, args ...any)
• func ErrorIf(err error, prefixErr ...error)
• func Fatal(message string, args ...any)
• func FatalIf(err error, prefixErr ...error)
• func Info(message string, args ...any)
• func Log() logger.Logger
• func Pref(logPref string) logger.Logger
• func SetFlag(flag int)
• func TmpMark(mark any, args ...any)
• func Trace(message string, args ...any)
• func Warn(message string, args ...any)

Examples

• Debug
• Error

Constants

const (
	// EnvLevelKey try set the lgr level by system environment, like `$ export EnvLevelKey=info`
	EnvLevelKey = "UYMAS_LGR_LEVEL"
	// EnvMarkKey try set the lgr mark by system environment, like `$ export EnvMarkKey=mark`
	EnvMarkKey = "UYMAS_TMP_MARK"
)

Functions

func Debug

func Debug(message string, args ...any)

Example

Debug("This is Debug logger.")

func Error

func Error(message string, args ...any)

Example

Error("This is Debug logger.")

func ErrorIf

func ErrorIf(err error, prefixErr ...error)

ErrorIf print error message only when err is not nil

func Fatal

func Fatal(message string, args ...any)

func FatalIf

func FatalIf(err error, prefixErr ...error)

func Info

func Info(message string, args ...any)

func Log

func Log() logger.Logger

func Pref

func Pref(logPref string) logger.Logger

func SetFlag

func SetFlag(flag int)

func TmpMark

func TmpMark(mark any, args ...any)

TmpMark temporary tags are used for debugging, and debugging should be removed before release

to global search keyword `lgr.TmpMark` then remove it.

func Trace

func Trace(message string, args ...any)

func Warn

func Warn(message string, args ...any)