func()

in tattler.go [180:194]

• 14 lines of code
• 4 McCabe index (conditional complexity)

func (r *Runner) AddReader(ctx context.Context, reader Reader) error {
	r.mu.Lock()
	defer r.mu.Unlock()

	if err := reader.SetOut(ctx, r.input); err != nil {
		return fmt.Errorf("Reader(%T).SetOut(): %w", r, err)
	}
	if r.started {
		if err := reader.Run(ctx); err != nil {
			return fmt.Errorf("reader(%T): %w", reader, err)
		}
	}
	r.readers = append(r.readers, reader)
	return nil
}