fromJson static method

Implementation

static AchievementLevel fromJson(String json) {
  switch (json) {
    case 'bronze':
      return AchievementLevel.bronze;
    case 'silver':
      return AchievementLevel.silver;
    case 'gold':
      return AchievementLevel.gold;
    default:
      throw ArgumentError('Unknown AchievementLevel: $json');
  }
}