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module class_56_mod1
implicit none
type :: toml_value
integer :: x = 0
contains
procedure :: accept
end type
type :: string_t
character(len=:), allocatable :: s
end type string_t
contains
subroutine accept(self)
class(toml_value), intent(inout) :: self
self%x = self%x + 1
end subroutine
end module
module class_56_mod2
use class_56_mod1
implicit none
type :: ser_config
contains
procedure :: temp
procedure :: temp2
end type
contains
subroutine temp(self, val)
class(ser_config), intent(inout) :: self
class(toml_value), intent(inout) :: val
select type(val)
type is (toml_value)
call val%accept()
class default
print *, "Unknown type"
end select
end subroutine
subroutine temp2(self, val)
class(ser_config), intent(inout) :: self
class(toml_value), intent(inout) :: val
select type(val)
class is (toml_value)
call val%accept()
class default
print *, "Unknown type"
end select
end subroutine
subroutine pkgcfg_list_all(descriptions)
type(string_t), optional, allocatable, intent(out) :: descriptions(:)
allocate(descriptions(2))
descriptions(1)%s = "Package 1"
descriptions(2)%s = "Package 2"
end subroutine
end module
program class_56
use class_56_mod2
implicit none
type(ser_config) :: cfg
type(toml_value) :: v
type(string_t), allocatable :: descriptions(:)
v%x = 1
call cfg%temp(v)
if (v%x /= 2) error stop
call cfg%temp2(v)
if (v%x /= 3) error stop
call pkgcfg_list_all(descriptions)
if (descriptions(1)%s /= "Package 1") error stop
if (descriptions(2)%s /= "Package 2") error stop
end program
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