Return values [VBA snippet]

function return_twice_the_argument(a as single)
  
    msgbox("Argument is: " & a)

    return_twice_the_argument = 2*a

end function


sub f

  dim r as single

  ' No parantheses, returned value
  ' not needed:
  return_twice_the_argument 4

  ' With parantheses, returned value
  ' assigned to r
  r = return_twice_the_argument(5)
  msgbox("Returned was: " & r)


  let r = return_twice_the_argument 6

end sub