general

type Formatter interface {
	// Append at the beginning of the log event.
	AppendBegin([]byte) []byte
	// Append at the end of the log event.
	AppendEnd([]byte) []byte
	// Append when a group with the given name starts.
	AppendOpenGroup(buf []byte, name string) []byte
	// Append when a group with the given name ends.
	AppendCloseGroup(buf []byte, name string) []byte
	// Append an Attr in the context of the given groups.
	AppendAttr(buf []byte, a slog.Attr, groups []string) []byte
	// Append a separator between Attrs, if one is needed.
	AppendSeparatorIfNeeded([]byte) []byte
}

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

type Options struct {
	// Level reports the minimum level to log.
	// Levels with lower levels are discarded.
	// If nil, the Handler uses [slog.LevelInfo].
	Level slog.Leveler

	// ReplaceAttr rewrites Attrs.
	ReplaceAttr func(groups []string, a slog.Attr) slog.Attr

	// PCAttrs returns the Attrs to use for source location.
	// If nil, no source information is output.
	PCAttrs func(pc uintptr) []slog.Attr
}