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Jeremy Rudd

Why is masterList cached in a local var?

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Hi all,


This is more of a technical question, but anyways. I noticed that the "masterList" Dictionary object is cached in a local var before iterating through it. Why is this? Is there any speed benefit?


var ml:Dictionary = masterList;
var tgt:Object;
for (tgt in ml) {


I was just curious if this was needed.



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Yep, local variables are accessed faster.

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Strange. I never knew local object vars are accessed faster. You must have near-infinite energy Jack! Half the project owners I know would have stopped answering my questions at this point!


Thanks a lot!

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