Cold fusion uses Lazy evaluation.
I use the exact syntax you posted regularly in CF 4.5.1.
Russel
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Russel Madere, Jr. Senior Web Developer
ICQ: 5446158 http://www.TurboSquid.com
Some days you eat the bear; some days the bear eats you.
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> -----Original Message-----
> From: Ruslan Sivak [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, January 17, 2001 09:12
> To: CF-Talk
> Subject: Short Circuit Evaluation
>
>
> I have had to write this kind of code over and over, and was wondering if
> there is a better way like in c++, where it does lazy evaluation.
>
> This is what I want:
>
> <CFIF isDefined("somevar") AND somevar IS "something">
> do something
> </CFIF>
>
> Of course this fails, since if the variable is not defined, CF stil checks
> the second condition. In languages like C++, it did lazy
> evaluation, so if
> the first condition was false, it didn't bother checking the second
> condition. This let people write things like
>
> open(FILE,"file") || die "Can't open file";
>
> So in CF I have to rewrite my above IF statement as 2 statements
>
> <CFIF isDefined("somevar")>
> <CFIF somevar IS "something">
> do something
> </CFIF>
> </CFIF>
>
> Is there a better way?
>
> Ruslan Sivak
> Technologist
>
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