passing refs:
&FullyQualify is Xyzzy::FullyQualify.
$Var is $Globals::Var.
%var is %Globals_H::var.
@var is @Globals_A::var.
$var is $Globals_S::var.

The following is less reliable see the Devel::Symdump documenation
passing strings:
'FullyQualify' is Xyzzy::FullyQualify $main::FullyQualify?
'Var' is $Globals::Var
'var' is %Globals_H::var @Globals_A::var $Globals_S::var?
'Globals::var' is %Globals_H::var @Globals_A::var $Globals_S::var?