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Objects with Private Variables

by btrott (Parson)
on Apr 20, 2000 at 23:26 UTC ( #8251=perltutorial: print w/ replies, xml ) Need Help??

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  1. or download this
        package Person;
        use strict;
    ...
                NAME => undef,
                AGE  => undef
            };
    
  2. or download this
            my $closure = sub {
                my $field = shift;
                @_ and $self->{$field} = shift;
                $self->{$field};
            };
    
  3. or download this
            bless $closure, $class;
            $closure;
        }
    
  4. or download this
        sub name { &{ $_[0] }("NAME", @_[1 .. $#_ ] ) }
        sub age  { &{ $_[0] }("AGE",  @_[1 .. $#_ ] ) }
    
  5. or download this
        use strict;
        use Person;
    ...
        $person->age(22);
    
        print $person->name, " is ", $person->age, " years old.\n";
    

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