Recursively Log out an NSDictionary

log_dict.swift

  func logDict(_ dict: NSDictionary) {
    for (key, value) in dict {
      guard let strKey = key as? String else {
        os_log("[NSDictionary] unexpected non-string key type=%s", String(describing: type(of: key)))
        continue
      }
      switch value {
        case let string as String:
          os_log("[NSDictionary] %s = (String) %s", strKey, string)
        case let int as Int:
          os_log("[NSDictionary] %s = (Int) %d", strKey, int)
        case let subDict as NSDictionary:
          logDict(subDict)
        default:
          os_log(
            "[NSDictionary] %s = (%s) %s", strKey, String(describing: type(of: value)),
            String(describing: value))
      }
    }
  }