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Loc (Procedure or Variable)

When used with a variable, Loc returns the location of a variable rather than it's contents. Thus B = Loc A sets B to point to A.

Example:

   Var A B
      B = Loc A
      B = 9
      Writeln A  ;returns 9

Example:

   Var A

 TestLoc (Loc A)
 Writeln A ;returns 9

 Procedure TestLoc (B)
    B = 9
 EndProc

Example:

   Var A B C D
      B = Loc A
      C = Loc B
      D = Loc C
      D = 9
      Writeln A   ; Returns 9

Example:

   var A B C D E

   A[3] = 12
   C = 3
   B = Loc C

   D = Loc E
   D[7] = 8

   TestLoc (Loc A[B])
   Writeln A[B,9,E[7]]

   Procedure TestLoc (X)
      Writeln X
      X[9,D[7]] = 6
      Writeln X[9,E[7]]
   EndProc

Category:	Variable

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