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Re: Variable Ponderance
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Re: Variable Ponderance


  • Subject: Re: Variable Ponderance
  • From: Bill Briggs <email@hidden>
  • Date: Fri, 1 Oct 2004 13:28:43 -0300

At 11:14 AM -0400 10/1/04, email@hidden wrote:
The way I like to say this (I think it's equivalent) is that some objects (anything other than a number IIRC) are never stored in variables -- only a reference (pointer if you prefer, but reference is more general) is stored in the variable binding.

So when you pass the variable, you are passing just a reference to the object, not the object itself.

Correct. That's the way it would be in C, for example. And if you wanted to sort a list in a subroutine and still preserve the original list in the original order, in C you would have to purposely make (sic*) a duplicate of the list for the subroutine to sort. Passing the pointer is enough if you don't care to preserve the list in original order.


- web

* split infinitive intentional

(I was going to write a similar response to yours, but got distracted.)
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