# resources 
- https://jsperf.com/prototypal-performance/159
- https://jsperf.com/prototypal-performance/54
- https://github.com/v8/v8/wiki/TurboFan

# based-on
https://github.com/lodash/lodash/blob/master/.internal/cacheHas.js
https://github.com/lodash/lodash/blob/master/.internal/SetCache.js