(time ? ($count=()) : $a) = Foo(); ## list+scalar
(time ? @a : $a) = Foo(); ## list+scalar
(time ? (@a=()) : $a) = Foo();  ## list+scalar
(time ? $a=() : $a) = Foo(); ## scalar is scalar
(time ? @a=() : $a) = Foo(); ## skates through as scalar $a[0]