warn Data::Dumper->Dump(
    foo   => $foo,
    this  => \%this,
    array => \@array,
    that  => \%that,
);

##</code><code>##

warn Dump {
    foo   => $foo,
    this  => \%this,
    array => \@array,
    that  => \%that,
};

#vs

warn Dump [ $foo, \%this, \@array, \%that ];

##</code><code>##

my $dumper = Data::Dumper->new( purity => 1, terse => 1, deepcopy => 1 );
warn $dumper->Dump( [ $foo, \%this, \@array, \%that ] );