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Re^3: I don't think inheritance is essential

by sri (Vicar)
on Sep 02, 2005 at 00:05 UTC ( #488516=note: print w/ replies, xml ) Need Help??


in reply to Re^2: I don't think inheritance is essential
in thread Advanced Perl Programming, 2nd edition

Yes, multiple inheritance is quite lame for mixin style programming, but try to think a bit more abstract.
The important part is that we use it in combination with NEXT for AOP like programming, think AspectJ without static trigger points!

package Foo; use base qw/Bar::Unicode Bar/; __PACKAGE__->prepare_parameters; package Bar; sub prepare_parameters { my $class = shift; # initialize parameters... } package Bar::Unicode; use NEXT; sub prepare_parameters { my $class = shift; # let parent initialize parameters $class->NEXT::prepare_parameters; # utf8 encode parameters... }
Hope this makes it a bit clearer.


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