Indexing cells in a table

[jb]

I have a base class x with attributes a,b,c,..., that is x.a=0 is o.k.

Now T is a rectangular table of elements of the type x, that is I can say
T[4][3].c=1.

Is there a generic way to address an area of the table and assign values to 
one of the attributes in the area?
That is, can I write a generic function setValue that works like 

T.setValue( (0,0) ,(m,n) , c , 1 ) 

and assigns the value 1 to the x.c-s in the specified area.

Example:

  setValue( (1,1), (2,3), c, 1)

is the same as

  T[1][1].c=1
  T[1][2].c=1
  ...
  T[2][3].c=1

TIA,

-- 
Janos Blazi


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