OSM_Graph/Graph/Node.cs

namespace Graph;

public class Node(float lat, float lon, Dictionary<ulong, KeyValuePair<ulong, bool>>? neighbors = null)
{
    public readonly Dictionary<ulong, KeyValuePair<ulong, bool>> Neighbors = neighbors??new(); //nodeId, wayId, forward
    public readonly float Lat = lat, Lon = lon;

    public double DistanceTo(Node n2) => Utils.NodeUtils.DistanceBetween(this, n2);
    public double DistanceTo(float latitude, float longitude) => Utils.NodeUtils.DistanceBetween(this, latitude, longitude);
    public bool HasEdgeTo(ulong neighbor) => this.Neighbors.ContainsKey(neighbor);

    public override string ToString()
    {
        return $"Node {Lat:00.000000} {Lon:000.000000}";
    }
}