My tests showed that the statement you quoted is true, but the difference is so small it can generally be ignored.
________________________________ From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Joseph Balderson Sent: Thursday, June 05, 2008 11:16 AM To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] Re: Retrieving instence name? > ClassName(instance) is marginally faster than (instance as > ClassName) in my tests. So which one is faster? Is this still correct? (us lurkers want to know! :) __________________________________________________________ Joseph Balderson | http://joeflash.ca <http://joeflash.ca> Flex & Flash Platform Developer | Abobe Certified Developer & Trainer Author, Professional Flex 3 (coming Winter 2008) Staff Writer, Community MX | http://communitymx.com/author.cfm?cid=4674 <http://communitymx.com/author.cfm?cid=4674> Josh McDonald wrote: > Goddammit, I've been going about it ass backwards! *kicks self* > > Thanks Alex. > > -J > > On Thu, Jun 5, 2008 at 4:15 PM, Alex Harui <[EMAIL PROTECTED] <mailto:aharui%40adobe.com> > <mailto:[EMAIL PROTECTED] <mailto:aharui%40adobe.com> >> wrote: > > Var foo:MyClass = MyClass(wrongInstance); //throws exception > > Var bar:MyClass = wrongInstance as MyClass; // returns null unless > it can be coerced (usually with primitive types) > > > > ---------------------------------------------------------- > > *From:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> >] *On Behalf Of *Josh McDonald > *Sent:* Wednesday, June 04, 2008 10:40 PM > > *To:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > *Subject:* Re: [flexcoders] Re: Retrieving instence name? > > > > I've read that ClassName(wrongInstance) just gives null? Hence you > get a nullpointer exception even though that's not really your > problem, and a newb in his debugger that sees a nullpointer > exception when wrongInstance is clearly not null is gonna be awfully > confused. > > -Josh > > On Thu, Jun 5, 2008 at 3:14 PM, Alex Harui <[EMAIL PROTECTED] <mailto:aharui%40adobe.com> > <mailto:[EMAIL PROTECTED] <mailto:aharui%40adobe.com> >> wrote: > > ClassName(instance) is marginally faster than (instance as > ClassName) in my tests. > > > > Something's gonna blow if it isn't that type. I don't have any hard > rules on which to use though. I also think there are cases where > you need to use "as" and vice versa due to coercion rules, but I > could be wrong about that. > > > > ---------------------------------------------------------- > > *From:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> >] *On Behalf Of *Josh McDonald > *Sent:* Wednesday, June 04, 2008 9:16 PM > *To:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > *Subject:* Re: [flexcoders] Re: Retrieving instence name? > > > > Isn't ClassName(instance).foo a bad idea now we have (instance as > ClassName).foo? I'd much rather have a NPE when it's actually null, > and a CCE when instance isn't a ClassName. > > -Josh > > On Thu, Jun 5, 2008 at 1:55 PM, Alex Harui <[EMAIL PROTECTED] <mailto:aharui%40adobe.com> > <mailto:[EMAIL PROTECTED] <mailto:aharui%40adobe.com> >> wrote: > > Code hints will not help when dealing with event.target unless you > know what it is. Technically you should code lit like > > > > LoaderInfo(event.target).loader > > > > And hopefully, you'll get code hints when you type the '.' before > loader. > > > > ---------------------------------------------------------- > > *From:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> >] *On Behalf Of *flexawesome > *Sent:* Wednesday, June 04, 2008 7:28 PM > > > *To:* flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > > *Subject:* [flexcoders] Re: Retrieving instence name? > > > > Woowow Ales, you are the BEST!!!! :)) > > How do you know the property of event.target.loader? I was unable to > see the property by using "cdoe tip" > > Cheers > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com>, "Alex Harui" <[EMAIL PROTECTED]> wrote: > > > > Sorry, I actually hadn't looked at your code before. > > > > > > > > The target/currentTarget will be a LoaderInfo. Target.loader.name > <http://Target.loader.name <http://Target.loader.name> > > is > > probably what you want. > > > > > > > > ________________________________ > > > > From: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com>] On > > Behalf Of flexawesome > > Sent: Wednesday, June 04, 2008 2:19 PM > > To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders%40yahoogroups.com> > > Subject: [flexcoders] Re: Retrieving instence name? > > > > > > > > > > Hey Alex, I was unable to retrieve the instance name.. > > > > I got trace info. => [object LoaderInfo] > > > > Any hits? > > > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders% > <mailto:flexcoders%25> > 40yahoogroups.com <http://40yahoogroups.com <http://40yahoogroups.com> >> > > , "Alex Harui" <aharui@> wrote: > > > > > > Try event.currentTarget.toString() > > > > > > > > > > > > ________________________________ > > > > > > From: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders% > <mailto:flexcoders%25> > 40yahoogroups.com <http://40yahoogroups.com <http://40yahoogroups.com> >> > > > > [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders% > <mailto:flexcoders%25> > 40yahoogroups.com <http://40yahoogroups.com <http://40yahoogroups.com> >> > > ] On > > > Behalf Of flexawesome > > > Sent: Wednesday, June 04, 2008 1:25 PM > > > To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders% > <mailto:flexcoders%25> > 40yahoogroups.com <http://40yahoogroups.com <http://40yahoogroups.com> >> > > > Subject: [flexcoders] Re: Retrieving instence name? > > > > > > > > > > > > event.currentTarget.name <http://event.currentTarget.name <http://event.currentTarget.name> > seem > doesn't work. :( > > > > > > --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> > <mailto:flexcoders%40yahoogroups.com> > > <mailto:flexcoders%40yahoogroups.com > <mailto:flexcoders%2540yahoogroups.com>> <mailto:flexcoders% > <mailto:flexcoders%25> > > 40yahoogroups.com <http://40yahoogroups.com <http://40yahoogroups.com> >> > > > , "flexawesome" <flexawesome@> > > > wrote: > > > > > > > > Hey, is that possible to retrieve the instence name for > imgLoad ? > > > > > > > > # in this example, it calls init2 from init1 and know the > > instence > > > name > > > > is "test" but I would like to retrieve it from event or other > > ways, > > > is > > > > that possible? > > > > > > > > > > > > http://www.privatepaste.com/e4RWWrMIAW <http://www.privatepaste.com/e4RWWrMIAW> > > <http://www.privatepaste.com/e4RWWrMIAW <http://www.privatepaste.com/e4RWWrMIAW> > > > > <http://www.privatepaste.com/e4RWWrMIAW <http://www.privatepaste.com/e4RWWrMIAW> > > <http://www.privatepaste.com/e4RWWrMIAW <http://www.privatepaste.com/e4RWWrMIAW> > > > > > > > > > > Thank you > > > > > > > > > > > > > > -- > "Therefore, send not to know For whom the bell tolls. It tolls for > thee." > > :: Josh 'G-Funk' McDonald > :: 0437 221 380 :: [EMAIL PROTECTED] <mailto:josh%40gfunk007.com> <mailto:[EMAIL PROTECTED] <mailto:josh%40gfunk007.com> > > > > > > -- > "Therefore, send not to know For whom the bell tolls. It tolls for > thee." > > :: Josh 'G-Funk' McDonald > :: 0437 221 380 :: [EMAIL PROTECTED] <mailto:josh%40gfunk007.com> <mailto:[EMAIL PROTECTED] <mailto:josh%40gfunk007.com> > > > > > > -- > "Therefore, send not to know For whom the bell tolls. It tolls for thee." > > :: Josh 'G-Funk' McDonald > :: 0437 221 380 :: [EMAIL PROTECTED] <mailto:josh%40gfunk007.com> <mailto:[EMAIL PROTECTED] <mailto:josh%40gfunk007.com> >
