On Feb 18, 2006, at 9:43 AM, J. Landman Gay wrote:
Mark Swindell wrote:
Parameters are, to me, the least well-explained and least
intuitive aspect of Rev (and programming in general).
You can have any number of parameters declared in a handler:
on myHandler pOne,pTwo,pThree <etc>
...
If the engine (or one of your own handlers) passes three parameters
to this handler, each parameter "basket" will hold one of the items
that is passed to it.
If more parameter items are passed than you have declared parameter
"baskets" to hold, the extra ones are not available to your script.
(There is a way around this using "the params" but that is more
advanced than we want to talk about here.)
If fewer parameter items are passed to your handler than you have
"baskets" declared, the extra baskets are empty.
Feel free to ask for clarification, I wrote this very quickly.
This explanation was quite good, as is usual for the source...
thanks :) The tone of this short tutorial is exactly what the doctor
ordered for making Rev comprehensible to new users. The latter part
regarding multiple parameters after declaring the handler is key, as
naming multiple "baskets" and filling them- or not- is the part that
is not at all intuitive. Fleshing this out with a few examples would
be a godsend to the documentation. "Assume nothing" about the new
user is the best route to comprehensible explanations for everyone at
that level... and on up.
Thanks,
Mark
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