Testing Symbol.isAbstract...
=======class C=======
class C => abstract
constructor C => concrete
value xAbs => abstract
value x => concrete
value x => concrete
method yAbs => abstract
method y => concrete
type TAbs => abstract
type T => concrete
=======trait T=======
trait T => abstract
method $init$ => concrete
value zAbs => abstract
value z => concrete
method wAbs => abstract
method w => concrete
type UAbs => abstract
type U => concrete
=======class AllConcrete=======
class AllConcrete => concrete
constructor AllConcrete => concrete
value xAbs => concrete
value xAbs => concrete
method yAbs => concrete
=======object M=======
object M => concrete
constructor M => concrete