go/src/log/slog/level.go

type Level …

const LevelDebug …

const LevelInfo …

const LevelWarn …

const LevelError …

// String returns a name for the level.
// If the level has a name, then that name
// in uppercase is returned.
// If the level is between named values, then
// an integer is appended to the uppercased name.
// Examples:
//
//	LevelWarn.String() => "WARN"
//	(LevelInfo+2).String() => "INFO+2"
func (l Level) String() string { … }

// MarshalJSON implements [encoding/json.Marshaler]
// by quoting the output of [Level.String].
func (l Level) MarshalJSON() ([]byte, error) { … }

// UnmarshalJSON implements [encoding/json.Unmarshaler]
// It accepts any string produced by [Level.MarshalJSON],
// ignoring case.
// It also accepts numeric offsets that would result in a different string on
// output. For example, "Error-8" would marshal as "INFO".
func (l *Level) UnmarshalJSON(data []byte) error { … }

// AppendText implements [encoding.TextAppender]
// by calling [Level.String].
func (l Level) AppendText(b []byte) ([]byte, error) { … }

// MarshalText implements [encoding.TextMarshaler]
// by calling [Level.AppendText].
func (l Level) MarshalText() ([]byte, error) { … }

// UnmarshalText implements [encoding.TextUnmarshaler].
// It accepts any string produced by [Level.MarshalText],
// ignoring case.
// It also accepts numeric offsets that would result in a different string on
// output. For example, "Error-8" would marshal as "INFO".
func (l *Level) UnmarshalText(data []byte) error { … }

func (l *Level) parse(s string) (err error) { … }

// Level returns the receiver.
// It implements [Leveler].
func (l Level) Level() Level { … }

type LevelVar …

// Level returns v's level.
func (v *LevelVar) Level() Level { … }

// Set sets v's level to l.
func (v *LevelVar) Set(l Level) { … }

func (v *LevelVar) String() string { … }

// AppendText implements [encoding.TextAppender]
// by calling [Level.AppendText].
func (v *LevelVar) AppendText(b []byte) ([]byte, error) { … }

// MarshalText implements [encoding.TextMarshaler]
// by calling [LevelVar.AppendText].
func (v *LevelVar) MarshalText() ([]byte, error) { … }

// UnmarshalText implements [encoding.TextUnmarshaler]
// by calling [Level.UnmarshalText].
func (v *LevelVar) UnmarshalText(data []byte) error { … }

type Leveler …