Wenlu Wang 454b4280b1 check more case for empty binding patten (#25263)
* check more case for empty binding patten

* refactor binding pattern checking  getWidenedType

* fix spelling

* fix merge and rebase
2019-04-26 14:00:04 -07:00
..
2019-04-25 14:11:50 -07:00
2019-02-28 14:01:40 -08:00
2019-02-28 14:01:40 -08:00