sharee.bike-App/TINKLib/Model/NullPostion.cs

namespace TINK.Model
{
    public class NullPostion : IPosition
    {
        internal NullPostion() { }

        public double Latitude => double.NaN;

        public double Longitude => double.NaN;

        public bool IsValid => Position.GetIsValid(Latitude, Longitude);

        public bool Equals(IPosition other)
            => Position.GetEquals(this, other);
    }
}