namespace Setup_Workspace;

public class Runner : Doable
{
    public override Task<bool> Do()
    {
        Console.WriteLine("Running tasks");
        return Task.FromResult(true);
    }
}

public abstract class Doable
{
    public abstract Task<bool> Do();
    
    public List<Doable> Followup = new List<Doable>();

    public Doable Then(params Doable[] doables)
    {
        foreach (var entry in doables)
            Followup.Add(entry);
        
        return this;
    }

    public async Task Run()
    {
        if (!await Do())
            return;

        foreach (var entry in Followup)
            entry.Run();
    }
}