fromJson static method
Returns a new Polygon instance and imports its values from
json
if it's non-null, null if json
is null.
Implementation
static Polygon? fromJson(Map<String, dynamic>? json) {
if (json == null) {
return null;
}
return Polygon(
type: json[r'type'],
features: Feature.listFromJson(json[r'features']),
);
}