Parameters [WAS: Main menu puzzle]

Thomas McGrath III 3mcgrath at adelphia.net
Sun Feb 19 18:59:48 EST 2006


I just ate a hugh meal for my daughters birthday party and really  
can't deal with more food functions right now.

Thanks anyway.

Tom ;-)

On Feb 19, 2006, at 2:11 PM, Jim Ault wrote:

>> Mark Swindell wrote:
>>>
>>> Parameters are, to me, the least well-explained and  least
>>> intuitive aspect of Rev (and programming in general).
>>
> You order a meal at a restaurant.
> The waitress writes down your order, but does so in a rather cryptic
> fashion.. coffee with cream, a prune danish, scrambled eggs and  
> bacon, and a
> glass of water.  The parameters you give to her.
>
> The waitress goes back to the short order cook and 'hangs a tag'.   
> This slip
> of paper has the parameters the cook needs to process food items  
> into the
> meal that matches the order.  The cook stops smoking his cigarette  
> long
> enough to slide the hot meal onto the shelf for the waitress.
>
> The waitress picks up the luke-warm plate and brings it to your table,
> adding to this, the danish, cold cup of coffee and the water.    
> Just what
> you had in mind when you sat down.
>
> Thus, you give the waitress a long list of parameters, she  
> processes some of
> them, and passes a few to the short order cook, who does likewise.
>
> Oh, and one other thing.. although you did not specifically request  
> this,
> the bill is added to the items you receive because it is implied by  
> your
> placing an order.
>
> At home, you have to provide all of the services.  At a restaurant,  
> there is
> the WaitressFunction, CookFunction, CashierFunction.  Depending on  
> how the
> owner programmed his restaurant, you get variations in menu,  
> service, and
> satisfaction.
>
> Jim Ault
> Las Vegas
>
>
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Thomas J McGrath III
3mcgrath at adelphia.net

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