GeoPoint.fromMap constructor
Creates a GeoPoint from a map containing 'latitude' and 'longitude' keys.
Example:
final map = {'latitude': 37.7749, 'longitude': -122.4194};
final point = GeoPoint.fromMap(map);
Implementation
factory GeoPoint.fromMap(Map<String, double> map) {
return GeoPoint(
latitude: map['latitude']!,
longitude: map['longitude']!,
);
}