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Perl: Einführung, Anwendungen, Referenz (2/e) [Support-Site]

Farid Hajji: Perl - Einführung, Anwendungen, Referenz
2., aktualisierte und erweiterte Auflage
Addison-Wesley Longman, ISBN 3-8273-1535-2

Ergänzung

SUPER.pl
#!/usr/local/bin/perl -w
# SUPER.pl -- Zeigt die Verwendung der Pseudoklasse SUPER

package Base;
sub new {
    my $cn   = shift;
    my $data = shift;
    my $self = { data => $data };
    return bless $self, $cn;
}

sub mytype {
    my $self = shift;
    return ref($self);
}

package Derived1;
@ISA = qw(Base);
sub new {
    my $cn       = shift;
    my $data     = shift;
    my $moredata = shift;
    my $self     = $cn->SUPER::new($data);
    $self->{'moredata'} = $moredata;
    return $self;
}

sub mytype {
    my $self = shift;
    return ref($self);
}

package main;
my $obj = Derived1->new("data1", "data2");
print "Type: ", $obj->mytype(), "\n";
print "Data1:", $obj->{'data'}, "\n";
print "Data2:", $obj->{'moredata'}, "\n";
   

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Last modified: $Date: 2006/05/18 12:55:46 $
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