% Duplicate top operand stack object
meth dup =^ ( ·
var o : Object ·
var CurrentFrame : FrameInfo ·
TopFrame.GetFrame(CurrentFrame);
% the top object is popped from the operand stack
currentFrame.Pop (o);
% two copies are pushed onto the Operand stack
currentFrame.Push(o);
currentFrame.Push(o);
TopFrame.SetFrame(CurrentFrame);
end end
)
end