Yup, sorry it was my mistake... (I read the message too fast) ;-)
j.c.wichman a écrit :
Hi,
I know u can't instantiate an interface, which wasn’t what I was trying to
do ;), I was declaring a variable to be of type SomeInterface (instantiating
it with SomeConcreteClass), which apparently is not regarded by flash then
of being of type Object as well.
Got it figured out now ;)
Thanks
H
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Julien
Vignali
Sent: Wednesday, February 01, 2006 12:49 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] interfaces and objects
Well, you can't instanciate an interface, you need first a concrete class
that implements the interface...
Your code should be:
interface IWorldPart {}
class SomeWorldPartSubclass implements IWorldPart {} var
myPart:SomeWorldPartSubclass = new SomeWorldPartSubclass();
myCollection.addItem(myPart);
j.c.wichman a écrit :
Hi,
i'm using a collection, which requires items of type Object to be added.
I've declared an interface which gives me something like:
- interface IWorldPart
- a class implementing WorldPart
now somewhere else i do:
var myPart:IWorldPart = new SomeWorldPartSubclass();
myCollection.addItem (myPart);
The last statement gives a type error, if i replace the first with var
myPart:WorldPart = new ... all goes well.
From what I can remember from Java (which I admit, seems ages ago ;)),
this
first should be no problem at all.
Does anyone know why this is not allowed in Flash?
thanks in advance.
Hans
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