#!/usr/bin/perl --
use strict; use warnings;
ZenTara::hello();
ZenTara::goodbye();
exit( 0 );

package ZenTara;
sub hello { print "\nHello\n"; }
sub ZenTara::goodbye  { print "\nGoodbye\n" }


##</code><code>##

package ZenTara;
use strict; use warnings;
sub hello { print "\nHello\n"; }
sub ZenTara::goodbye  { print "\nGoodbye\n" }
1; ## return true


##</code><code>##

#!/usr/bin/perl --
use strict; use warnings;
use ZenTara;

ZenTara::hello();
ZenTara::goodbye();
exit( 0 );

##</code><code>##

#!/usr/bin/perl --
use strict; use warnings;
use ZenTaraE;
hello();
ZenTaraE->new( name => "Bob" )->goodbye();
exit( 0 );

##</code><code>##

package ZenTaraE;
use strict; use warnings;
require Exporter;
our @ISA = qw/ Exporter /;
our @EXPORT = qw/ hello goodbye /;  # exported by default
sub new {
    my $class = shift;
    return bless { @_ }, $class;
}
sub hello { print "\nHello\n"; }
sub goodbye {
    my( $self ) = @_;
    my $name = eval { $self->{name} }  || '';
    print "\nGoodbye $name\n"
}
1; ## return true


##</code><code>##

#!/usr/bin/perl --

BEGIN {
    $INC{'ZenTaraEI.pm'} = __FILE__;

package ZenTaraEI;
use strict; use warnings;
require Exporter;
our @ISA = qw/ Exporter /;
our @EXPORT = qw/ hello goodbye /;  # exported by default
sub new {
    my $class = shift;
    return bless { @_ }, $class;
}
sub hello { print "\nHello\n"; }
sub goodbye {
    my( $self ) = @_;
    my $name = eval { $self->{name} }  || '';
    print "\nGoodbye $name\n"
}
1; ## return true


}##########

use strict; use warnings;
use ZenTaraEI;

hello();
ZenTaraEI->new( name => "Bob" )->goodbye();
exit( 0 );
exit( 0 );

##</code><code>##


$ perl zen-pack.pl

Hello

Goodbye

$ perl zen-mod.pl

Hello

Goodbye

$ perl zen-mod-exp.pl

Hello

Goodbye Bob

$ perl zen-mod-exp-inlined.pl

Hello

Goodbye Bob

$