The main documentation of the Get_Version_Assembled_Vector Procedure contains additional explanation of this code listing.
function Get_Version_Assembled_Vector (AV) result(Version)
! Input variable.
type(Assembled_Vector_type), intent(in) :: AV ! Variable to be queried.
! Output variable.
type(integer) :: Version ! Version number.
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
! Verify requirements.
VERIFY(Valid_State(AV),5) ! AV is valid.
! Get the value.
Version = AV%Version
! Verify guarantees - none.
return
end function Get_Version_Assembled_Vector