Computer Science Canada

Anonamously referencing procedures within a class
Author:  TheOneTrueGod [ Thu Jun 08, 2006 4:36 pm ]
Post subject:  Anonamously referencing procedures within a class
I don't know if I used the terminology right there, but eh.

code:

class Stuff
export WriteThis

   procedure WriteThis (s : string)
      put s
   end WriteThis
   procedure WriteFirstCharacter (s : string)
      put s(1)
   end WriteFirstCharacter
end Stuff


Allright, now if I wanted to anonamously reference that procedure, is there any way to go about doing that?

code:

%Imaginary Syntax to show what I want to do
var q : array 1..2 of procedure p (s : string)
q(1) := Stuff.WriteThis
q(2) := Stuff.WriteFirstCharacter


Is there any possible way to do this? I've tried creating a pointer to the class, and assigning q to the procedure that way, but it didn't work...
Author:  HellblazerX [ Thu Jun 08, 2006 4:42 pm ]
Post subject: 
I understand what you're asking. I believe what you're looking for is an abstract class, or an abstract procedure, however, since I've never looked into Turing classes, I'm not sure if they exist in Turing.
Author:  Cervantes [ Thu Jun 08, 2006 5:11 pm ]
Post subject: 
No, you can't do that. The reason being that those procedures only exist for instances of the Stuff class, not for the class itself.

What you're looking for is a module.
Author:  TheOneTrueGod [ Thu Jun 08, 2006 5:48 pm ]
Post subject: 
Darn. Thanks for your help man. A module wouldn't be useful in the instance I was asking this about. (Unfortunately, I forgot the instance Embarassed I was trying to figure out a way around it for like a week, so I finally gave up and posted the question on here, for future reference, but I can't remember what the actual instance of it was...)

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