' FB 1.05.0 Win64

Type CurriedAdd
  As Integer i
  Declare Function add(As Integer) As Integer
End Type

Function CurriedAdd.add(j As Integer) As Integer
  Return i + j
End Function

Function add (i As Integer) as CurriedAdd
   Return Type<CurriedAdd>(i)
End Function

Print "3 + 4 ="; add(3).add(4)
Print "2 + 6 ="; add(2).add(6)
Sleep