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+package List::Util::XS;
+use strict;
+use vars qw($VERSION);
+use List::Util;
+
+$VERSION = "1.22"; # FIXUP
+$VERSION = eval $VERSION; # FIXUP
+
+sub _VERSION { # FIXUP
+ require Carp;
+ Carp::croak("You need to install Scalar-List-Utils with a C compiler to ensure the XS is compiled")
+ if defined $_[1];
+ $VERSION;
+}
+
+1;
+__END__
+
+=head1 NAME
+
+List::Util::XS - Indicate if List::Util was compiled with a C compiler
+
+=head1 SYNOPSIS
+
+ use List::Util::XS 1.20;
+
+=head1 DESCRIPTION
+
+C<List::Util::XS> can be used as a dependency to ensure List::Util was
+installed using a C compiler and that the XS version is installed.
+
+During installation C<$List::Util::XS::VERSION> will be set to
+C<undef> if the XS was not compiled.
+
+=head1 SEE ALSO
+
+L<Scalar::Util>, L<List::Util>, L<List::MoreUtils>
+
+=head1 COPYRIGHT
+
+Copyright (c) 2008 Graham Barr <gbarr@pobox.com>. All rights reserved.
+This program is free software; you can redistribute it and/or
+modify it under the same terms as Perl itself.
+
+=cut