Function Emit

internal/contentlog/contentlog_logger.go:26–59

Emit writes the entry to the segment writer. We are using this particular syntax to avoid allocating an intermediate interface value. This allows exactly zero non-amortized allocations in all cases.

(ctx context.Context, l *Logger, entry T)

// We are using this particular syntax to avoid allocating an intermediate interface value.
// This allows exactly zero non-amortized allocations in all cases.
func Emit[T WriterTo](ctx context.Context, l *Logger, entry T) {
	if l == nil {
		return
	}

	if l.output == nil {
		return
	}

	jw := NewJSONWriter()
	defer jw.Release()

	jw.BeginObject()
	jw.TimeField("t", l.timeFunc())

	for _, param := range l.params {
		param.WriteValueTo(jw)
	}

	params := ctx.Value(loggerParamsKey)
	if params != nil {
		if params, ok := params.([]ParamWriter); ok {
			for _, p := range params {
				p.WriteValueTo(jw)
			}
		}
	}

	entry.WriteTo(jw)
	jw.EndObject()
	jw.buf = append(jw.buf, '\n')

	l.output(jw.buf)
}

// Log logs a message with no parameters.
func Log(ctx context.Context, l *Logger, text string) {