Another alternative is the factory pattern, where method calls in your "Thing" class spit out backend objects given parameters, etc.
It seems to me that a factory pattern is exactly what he is doing here. 
package main;

my $x = Thing->new( backend => 'A' );

$x->backend->do();

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Of course the way he is doing it is not the way the Gang of Four show in the Design Patterns book, but he's not coding it in C++ or smalltalk (which they do).

Much as you say, TIMTOWTDI.

-stvn

In reply to Re: Re: how do you call this? $x->bar(); by stvn
in thread how do you call this? $x->bar(); by dada

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