We create many `useDebugValue` helpers, loggers and so one now, so we can feel less pain.

What matter (**Updated**)
- previewing complex values brifely like chrome devtools does it for arrays, sets, maps, objects,,,

I [wrote related twit](https://twitter.com/mxtnr/status/1178271362890240001) recently with one of my DebugValue helpers. screenshot out here:
<img width="556" alt="Screenshot 2019-09-29 at 14 01 53" src="https://user-images.githubusercontent.com/6201068/66700775-5648bf80-ecfd-11e9-93fe-089d451bcffa.png">
_my named hooks currently require a `label` option unless react babel cannot transform name of variable automatically_
unserializable,
            path.concat([name]),
            isPathWhitelisted,
            isPathWhitelistedCheck ? 1 : level + 1,
          );
        }
        return object;
      }
    case 'infinity':
    case 'nan':
    case 'undefined':
      
      
      cleaned.push(path);
      return {
        type,
      };
    default:
      return data;
  }
}
export function fillInPath(
  object: Object,
  data: DehydratedData,
  path: Array<string | number>,
  value: any,
) {
  const target = getInObject(object, path);
  if (target != null) {
    if (!target[meta.unserializable]) {