print $package::var;
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Nope. You want

    no strict 'refs';
    print ${$package.'::var'};
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    require $package;
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doesn't work. See require:

If EXPR is a bareword, the require assumes a ".pm" extension and replaces "::" with "/" in the filename for you, to make it easy to load standard modules. This form of loading of modules does not risk altering your namespace.

In other words, if you try this:

        require Foo::Bar;    # a splendid bareword
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The require function will actually look for the "Foo/Bar.pm" file in the directories specified in the @INC array.

But if you try this:

        $class = 'Foo::Bar';
        require $class;      # $class is not a bareword 
    #or            
        require "Foo::Bar";  # not a bareword because of the ""
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The require function will look for the "Foo::Bar" file in the @INC array and will complain about not finding "Foo::Bar" there. In this case you can do:

        eval "require $class";
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_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}