logging

Documentation

Index

• type Level
• type Logger
  • func DiscardLogger() Logger
  • func NewLogger(out io.Writer, level Level) Logger

Types

type Level

type Level int

Level represents a logging level, identical to [slog.Level].

const (
	LevelDebug Level = -4
	LevelInfo  Level = 0
	LevelWarn  Level = 4
	LevelError Level = 8
	LevelNever Level = math.MaxInt
)

type Logger

type Logger interface {
	// Level returns the current logging level for this Logger.
	Level() Level

	// Logf logs a message with a logging level.
	Logf(level Level, format string, v ...any)

	// Debugf logs a message with level debug.
	Debugf(format string, v ...any)

	// Infof logs a message with level info.
	Infof(format string, v ...any)

	// Printf is an alias for Infof.
	Printf(format string, v ...any)

	// Warnf logs a message with level warn.
	Warnf(format string, v ...any)

	// Errorf logs a message with level error.
	Errorf(format string, v ...any)
}

Logger represents a simple logging interface.

func DiscardLogger

func DiscardLogger() Logger

DiscardLogger returns a logger that discards all output.

func NewLogger

func NewLogger(out io.Writer, level Level) Logger

NewLogger returns a new leveled logger that writes to out.