mapFromJson static method
turn nested Maps into UserCoords
Implementation
static Map<String, UserCoords> mapFromJson(
Map<String, Map<String, dynamic>>? json) {
var map = <String, UserCoords>{};
if (json != null && json.isNotEmpty) {
json.forEach((String key, Map<String, dynamic> value) =>
map[key] = UserCoords.fromJson(value));
}
return map;
}