Collections vs. Arrays

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photoshop scripting exposes collections, e.g.

 

app.documents; app.layers;

 

in indesign scripting, these collections behave differently arrays: instance can access items index negative values (e.g. pages[-1] means last one), etc. moreover, looping through collections reported slower, build arrays out of collections , iterate on them.

 

i'm trying find out whether same hold true photoshop well, far... no proofs. i'm trying use reflection interface on collections, doesn't seem possible (document.layers, opposed document.layers[0]).

does know more topic?

thank you

 

davide barranca

damn, davide, i've never heard of collections, can't offer help, in example, wouldn't document.layers object rather array?



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