BT via ternary logic in C#

status.cs

public readonly struct status{

    readonly int ω;

    public static readonly status done = new status( +1 ), fail = new status( -1 ), cont = new status( 0 );

    public bool failing  => ω == -1;
    public bool running  => ω ==  0;
    public bool complete => ω == +1;

    // Sequence/Selector 

    public static status operator & (status x, status y) => y;

    public static status operator | (status x, status y) => y;

    public static bool operator true  (status s) => s.ω != -1;

    public static bool operator false (status s) => s.ω != +1;
    
}