require Foo::Bar;    # a splendid bareword

##</code><code>##

         $class = 'Foo::Bar';
         require $class;      # $class is not a bareword
     #or
         require "Foo::Bar";  # not a bareword because of the ""

##</code><code>##

         eval "require $class";

##</code><code>##

  "Win32::Service"->require()