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Union4

Signature of Union4

List of Import References :
See BOOL
See DENOTATION

SIGNATURE Union4[data1: SORT, data2: SORT, data3: SORT, data4: SORT]

$Date: 1998/06/16 16:00:06 $ ($Revision: 1.1.1.1 $)

-- disjoint union of four types

  -- Parameter
  SORT data1 data2 data3 data4

  TYPE union == data1(cont1: data1)
                data2(cont2: data2)
                data3(cont3: data3)
                data4(cont4: data4)


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