that should be
```
newMap.putAll(oldMap.filterKeys...
# announcementss
Shawn
09/26/2017, 11:27 PMthat should be
Copy code
newMap.putAll(oldMap.filterKeys { it !in newMap })💯 1
Shawn
09/26/2017, 11:27 PMnewMap.putAll(oldMap.filterKeys { it !in newMap })