Nodes/Logic/Nand.cs
namespace Nodebox.Nodes;

[Register]
[Tag("Logic")]
public class Nand : Node
{
    public override (Pin[] In, Pin[] Out) InitialPins => (
        new Pin[] {
            Pin.New<bool>("A"),
            Pin.New<bool>("B"),
        },
        
        new Pin[] {
            Pin.New<bool>("!(A && B)")
        }
    );

	public override void Evaluate() => SetOutput(0, !(GetInput<bool>(0) && GetInput<bool>(1)));
}