Dwayne Neckles wrote:
can anyone say why dictionary is better than array.. Im seeing it
used in alot of papervision examples and i dont get why? I will
research this on my own as well..
Keys in an Array can be numeric, strings, or both:
var a:Array = [];
a[0] = something;
a["hello"] = something; // associative Array
Keys in a Dictionary can theoretically be of any type:
var d:Dictionary = new Dictionary();
d[0] = something;
d["hello"] = something;
var c:SomeClass = new SomeClass();
d[c] = something;
An associative Array behaves similar to a Dictionary.
I might be wrong but i remember seeing that if you want to store data
with string keys, Dictionary is performing slightly better.
A word of caution if you plan to use E4X XML nodes or function
references as Dictionary keys: this appears to be buggy.
Cheers,
Claus.
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