No; type Object can store null but not undefined. Only an untyped var (indicated by foo:*) can store undefined.
- Gordon
-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Tim Hoff
Sent: Monday, May 22, 2006 4:48 PM
To: [email protected]
Subject: [flexcoders] Re: 1.5 migration: How are you handling the loss of undefined and null states for vars?
Objects still support undefined and null. Can you think of a way to
bind objects to your boolean variables (like an associative array
hashmap)?
-TH
--- In [email protected], "Tracy Spratt" <[EMAIL PROTECTED]>
wrote:
>
> This has definitely become my biggest issue. I have been
depending on
> checking for uninitialized variables containing undefined or null,
but
> in 2.o this is no longer possible.
>
> I can see coming up with some values that are very unlikely to be
> duplicated as initial values for string and numbers, but boolean
> variables are a bigger problem.
>
> I guess will have to create a flag variable for each boolean and
set
> its value when the main variable is first modified, then check it
to
> determine the intialize status when needed.
>
> Does anyone have any clever approaches to this?
>
> Tracy
>
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