package Foo;

our $VERSION = '1.0';

use strict;
use warnings;

sub new
{
    my $class = shift();

    my ($arguments) = @_;

    my $self = {};

    bless $self, $class;
}

##</code><code>##

#!/tool/bin/perl -w
use strict;
use lib '/home/user/perl_modules/lib/perl5';
use My::Foo 1.0;

printf("version = %s\n", $Foo::VERSION);

##</code><code>##

My::Foo defines neither package nor VERSION--version check failed at ./foo_version_test.pl line 4.
BEGIN failed--compilation aborted at ./foo_version_test.pl line 4.

##</code><code>##

/home/user/perl_modules/lib/perl5/My/FooVersion
    1.0/
        Foo.pm
    1.1/
        Foo.pm
    1.2/
        Foo.pm
    Devel/
        Foo.pm

##</code><code>##

use My::FooVersion::Devel::Foo;

##</code><code>##

use My::FooVersion::1.1::Foo;
use "My::FooVersion::1.1::Foo";
use My::FooVersion::"1.1"::Foo;
use My::FooVersion::'1.1'::Foo;
use 'My::FooVersion::1.1::Foo';