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  1. or download this
        print $package::var;
  2. or download this
        no strict 'refs';
    print ${$package.'::var'};
  3. or download this
        require $package;
  4. or download this
            require Foo::Bar;    # a splendid bareword
  5. or download this
            $class = 'Foo::Bar';
        require $class;      # $class is not a bareword 
    #or            
        require "Foo::Bar";  # not a bareword because of the ""
  6. or download this
            eval "require $class";