C# 智能枚举

public class PriorityStatus : SmartEnum<PriorityStatus>
{
  public static readonly PriorityStatus Backlog = new(nameof(Backlog), 0);
  public static readonly PriorityStatus Critical = new(nameof(Critical), 1);

  protected PriorityStatus(string name, int value) : base(name, value) { }
}

  public ProjectStatus Status => _items.All(i => i.IsDone) ? ProjectStatus.Complete : ProjectStatus.InProgress;