Actionscript 3 :: Nulling Elements Within A Vector Structure?
Feb 22, 2011
I'm using a Vector structure in ActionScript 3 to store references to a custom class. My Vector is fixed length for performance reasons, and also because it needs to map 1:1 to another data structure.
I'm trying to figure out how I "remove" an element from this fixed list. I don't want the length of the Vector to change, I just want the value of that element to be "null". Or more specifically, when I test for the truth of that element (eg: if (myVector[index]) { // do something... }), I want that test to fail for that element, since it's "empty".
[Code]...
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Oct 6, 2009
I have function that's used to transfer elements from one vector to another. The problem is that I need to use this function to transfer data from multiple pairs of vector with each pair having a different data type. I tried this but it came up with an error.
ActionScript Code:
function addToVector(dataType:Class, vect:Vector.<dataType>,
baseVect:Vector.<dataType>):void {
for (var i:int = 0, l:int = vect.length; i < l; i++)
baseVect.push(vect[i]);
}
I've also tried this, but then flex says it doesn't recognize the vector class.
ActionScript Code:
function addToVector(vect:Vector.<*>, baseVect:Vector.<*>):void {
for (var i:int = 0, l:int = vect.length; i < l; i++)
baseVect.push(vect[i]);
}
This failed too
ActionScript Code:
function addToVector(vect:Vector.<Object>, baseVect:Vector.<Object>):void {
for (var i:int = 0, l:int = vect.length; i < l; i++)
baseVect.push(vect[i]);
}
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Dec 31, 2010
The AS3 Reference says that...
ActionScript Code:
var v:Vector.<DisplayObject> = new Vector.<Sprite>();
...won't compile because the object's base type isn't the same as the variable's declared base type (even though Sprite is a subclass of DisplayObject)But I tried the following which compiles fine:
ActionScript Code:
var v:Vector.<Sprite> = new Vector.<Sprite>();
var a:Sprite = new Sprite();
var b:MovieClip = new MovieClip();
[code]....
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Jan 23, 2011
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Sep 13, 2011
I'm getting
ActionScript Code:
1067: Implicit coercion of a value of type
__AS3__.vec:Vector.ie.aro.floorplanviewer.model.buildingVOs:ConfigurationVO>[code]....
which surprises me as ConfigurationVO inherits from NodeVO.Is the compiler really not able to figure out that a Vector of a superclass should be able to hold a reference to a Vector of a subclass?
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Created Vector with the initial length of 100.
var v:Vector. = new Vector.(100);
v[90] = "Ninety"
v[190] ="oneninety" //RangeError: Error #1125: The index 110 is out of range 100.
//How to change the length from 100 to 200 to store a value at index 190
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Nov 16, 2011
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Every Vector I've ever tested all extend Vector.<*>.
Vector.<Sprite>, Vector.<String>, Vector.<Point>, Vector.<Boolean>, Vector.<TextField>, Vector.<CustomObject>, etc etc etc. ALL of them.
<type name="__AS3__.vec::Vector.<String>" base="__AS3__.vec::Vector.<*>" isDynamic="true" isFinal="false" isStatic="false">
<extendsClass type="__AS3__.vec::Vector.<*>"/>
[code]...
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<type name="__AS3__.vec::Vector.<Number>" base="Object" isDynamic="true" isFinal="true" isStatic="false">
<extendsClass type="Object"/>
<constructor>
[code]....
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[URL]
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