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module class_22_m
implicit none
private
public :: inner_class, cast_integer, expect_pointer
! Define the inner class with some integer data
type :: inner_class
integer :: value
end type inner_class
contains
function cast_integer(obj) result(x)
class(inner_class), intent(in), allocatable :: obj
logical :: x
x = .true.
end function cast_integer
subroutine expect_pointer(x)
type(inner_class), pointer, intent(in) :: x
if (x%value /= 50) error stop
end subroutine expect_pointer
end module class_22_m
program class_22
use class_22_m
implicit none
class(inner_class), allocatable :: inner_obj
type(inner_class), target :: x
x%value = 50
if (cast_integer(inner_obj) .neqv. .true.) error stop
call expect_pointer(x)
end program class_22
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