Good point, and actually, while I was typing the node, I kept on writing
$writer->write($value) rather than
$writer->('write',$value). This made me ask myself the same question: why not OO?
And really, no reason - I would say (and I stand under correction) that really it is just a question of scale. A small job may be more easily (less verbosely) achieved with closures, while OO gives you more room to expand. Also, I would guess that using references to anonymous subs avoids most of the penalty hit of using OO (micro-optimization anyone?).
So I would say that it is probably a different technique to achieve the same thing.
I'd be interested in differing opinions though
Clint
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