ets_use.erl:12: Guard test is_integer(T::atom() | ets:tid()) breaks the opaqueness of its argument
ets_use.erl:20: The type test is_integer(atom() | ets:tid()) breaks the opaqueness of the term atom() | ets:tid()
ets_use.erl:7: Guard test is_integer(T::ets:tid()) breaks the opaqueness of its argument