not package:ghc

pattern synonym for logical not !
pattern synonym for logical not !
Returns true if IsOrphan is not an orphan.
No scoped type variables (to be used with mkTcTyCon).
Is the key not a member of the map?
notMember 5 (fromList [(5,'a'), (3,'b')]) == False
notMember 1 (fromList [(5,'a'), (3,'b')]) == True
Is the element not in the set?
An empty list that can be used to indicate that there are no type arguments allowed in cases where HsConDetails is applied to Void.