in the end, using 'this' or leaving it does make a difference, doesn't
it ?
I cannot decompile to test my sayings, but 'this' adds more bytecode to
the file ??
I'm the opposite end of the spectrum. This:
class Box extends UIObject
{
function doStuff()
{
move(x + 10, y + 10);
setSize(width + 100, height + 100);
visible = !visible;
}
}
looks more readable to me than:
class Box extends UIObject
{
function doStuff()
{
this.move(this.x + 10, this.y + 10);
this.setSize(this.width + 100, this.height + 100);
this.visible = !this.visible;
}
}
To each their own. I can see it justified in extending intrinsic
classes,
as the first parameter to setInterval, and the first parameter in
Delegate.
AS3 and Flex both hammer the point that this really has little use
other
than confirming for those programmers who are not familiar with
ActionScript. Same goes for the Singleton.method vs.
Singleton.getInstance().method argument; the latter is for those
programmers
who don't know ActionScript well.
If you do it every day, there is no point.
----- Original Message -----
From: "Muzak" <[EMAIL PROTECTED]>
To: "Flashcoders mailing list" <flashcoders@chattyfig.figleaf.com>
Sent: Friday, October 28, 2005 5:37 PM
Subject: Re: [Flashcoders] Newbie AS3 question
Well, to me it's the other way around.
Code that doesn't use proper references looks messy to me.
Whe I'm lazy or in a hurry, I do skip them, but I usually find myself
adding
them afterwards anyway.
So, I'm with ryanm on this one ;-)
regards,
Muzak
----- Original Message -----
From: "Martin Wood" <[EMAIL PROTECTED]>
To: "Flashcoders mailing list" <flashcoders@chattyfig.figleaf.com>
Sent: Friday, October 28, 2005 11:03 PM
Subject: Re: [Flashcoders] Newbie AS3 question
ryanm wrote:
What I don't get is why it needs "this.addChild" instead of just
addChild. I've been sick of the keyword "this" for a long time
and have since avoided it in AS2.
Any reason that it needs to be back in for AS3?
Maybe because it's one of the most useful scope references ever
invented?
The fundamental concept that you seem to miss is that "addChild"
is
meaningless by itself, it is a method of an object (in
proper OOP development), and if you just say "addChild", who is
adding
the child?
the context is the current class. Occasionally 'this' is useful if you
happen to name a method parameter or local variable the
same as a member variable and need to distinguish the two.
But, I dont agree that its bad form to leave it out, nor is it any
more
difficult to maintain.
in my opinion putting 'this' in everywhere to me just makes things
harder
to read.
thanks,
Martin
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