parameter variables question

[Chris Sheffield]

I've gotten stuck by this one several times.  Because
you're returning a value, your handler has to be a
function.  Use "function" instead of "on".

Chris Sheffield

--- Alex Rice <alrice at ARCplanning.com> wrote:
> Consider a handler that sums it's parameters before
> doing it's work, 
> like this:
> 
> on testIt p1, p2
>    if p1 + p2 = 0 then
>      return "bad parameters"
>    else
>      -- do stuff
>      return empty
>    end if
> end testIt
> 
> Why does this handler throw an error when called
> like this?
> 
> testIt 1, tSomeNonexistentVariable
> -- 
> -- Message execution error:
> -- Error description: Operators +: error in right
> operand
> 
> if (p1 + p2) = 0 does not work either.
> 
> Thanks,
> 
> Alex Rice, Software Developer
> Architectural Research Consultants, Inc.
> http://ARCplanning.com
> 
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>
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=====
Chris Sheffield
Read Naturally
www.readnaturally.com

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