/// <summary>
/// Used to provide conditions before running other sub behaviors
/// </summary>
public abstract class Decorator : Behavior
{
    private readonly Behavior _decorated;

    protected Decorator(Behavior decorated)
    {
        _decorated = decorated;
    }

    /// <summary>
    /// Condition used to check if it's possible to run this Behavior
    /// </summary>
    /// <param name="context"></param>
    /// <returns></returns>
    public abstract bool CanRun(object context);

    protected override IEnumerable<RunStatus> Execute(object context)
    {
        if (!CanRun(context))
            yield return RunStatus.Failed;
        else
            foreach (var status in _decorated.Execute(context))
                yield return status
    }
}