Jochem van Dieten wrote:
> How much does CF *really* need? Pseudocode:
> <cfif variables.ZIPCode LT 93711>
> ...blahblahblah...
> <cfelseif mySwitch(variables.ZIPCode, "93712, 93713 TO 93940, 93950, 94086 TO
>95050")>
> ...blahblahblah...
> <cfelseif variables.ZIPCode GT 93711>
> ...blahblahblah...
> </cfif>
> You just have to write mySwitch() once and put that in your standard UDF
> includefile.
Yes, I could write my own function (assuming I was on CF5+), and thats probably as
good as CF can get at present, but I'm looking to see if native support for the
feature is feasible. I had to build that app for 45 U.S. states, and while I know
thats not a common occurrence, the point is it had already been done with thousands of
fewer lines of more intuitive code... somewhere else. As RAD goes thats pretty rad,
which is right up CF's alley.
Can it be done in CF/BD? I haven't the foggiest idea. All I know is I've seen it
done before and it works marvelously.
> I always believed the whole point of a switch statement was that only
> the switch side had to be evaluated as an expression and the case sides
> were simple values, thereby greatly reducing the amount of processing.
Well, of course, thats why I want the functionality in CFSWITCH in the first place. :)
As we already know there are other ways to do it. Overhead on the cfcase statement
might be increased since parameters might require more work to evaluate... there may
be circumstances where the thing could be built so that complex needs aren't in the
picture unless asked for expressly... but whether any of this would be a performance
issue or not is to be determined. You never know if you never ask.
--Matt--
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