Specify that enums extend _Enum from dart:core.#3671
Open
stereotype441 wants to merge 1 commit intodart-lang:mainfrom 
Open
Specify that enums extend `_Enum` from `dart:core`.#3671stereotype441 wants to merge 1 commit intodart-lang:mainfrom 
stereotype441 wants to merge 1 commit intodart-lang:mainfrom