Lade...
 

Swap

Swap

Swap

Stack
Stack Position Beschreibung
Stack(In) Top a
  Top-1 b
Stack(Out) Top b
  Top-1 a

vertauscht die beiden auf Stack-Top und Stack-Top-1 liegenden Werte.

Beispiel:

// Put the object on the stack und duplicate it. The stack is now: object object

object Dup
// Copy the approved date of the stack top object and check if it is there. Leave result on stack
Copy(approved.date) if 1 else 0
// The stack is now: object 0
// Now bring the object on the stack top to check the next date:
Swap
// The stack is now: 0 object
// Check the released date and leave the result on stack again
Copy(released.date) if 1 else 0
// The stack is now: 0 0
// Compare with OR operand and show attention, if no date was found:
| ifnot { T("Objekt nicht freigegeben!", "Object not released yet!") Attention(AbortTXN)

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