BEGIN {
    require My::Package;
    My::Package->import(...);
};

##</code><code>##

print Dumper(...);

##</code><code>##

# use Durf;
# basically is
BEGIN {
    require Durf;
    Durf->import(...);
};

##</code><code>##

BEGIN {
    for (@ARGV) {
        eval "use $_; 1"
            or die $@; # don't forget to reraise module errors
    };
};