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module procedure_25_module
implicit none
contains
subroutine run(f)
implicit none
interface
integer function f()
end function f
end interface
procedure(f), pointer :: func_ptr
integer :: x
func_ptr => f
x = func_ptr()
print *, x
if(x /= 42) error stop
end subroutine run
end module
program procedure_25
use procedure_25_module
implicit none
call run(test_func)
contains
integer function test_func()
test_func = 42
end function test_func
end program
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