The key
parameter is of type VertexKey
and represents the identifier of the vertex.
Optional
value: VThe "value" parameter is an optional value of type V. It is not required to be provided when creating an instance of the class.
The "lat" parameter represents the latitude of a vertex. Latitude is a geographic coordinate that specifies the north-south position of a point on the Earth's surface. It is measured in degrees, with positive values representing points north of the equator and negative values representing points south of the equator.
The "long" parameter represents the longitude of a location. Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is measured in degrees, with values ranging from -180 to 180.
The constructor function initializes an object with an key, latitude, longitude, and an optional value.