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! { dg-do run }
!
! PR 39630: [F03] Procedure Pointer Components with PASS
!
! taken from "The Fortran 2003 Handbook" (Adams et al., 2009)
module passed_object_example
type t
real :: a
procedure(print_me), pointer, pass(arg) :: proc
end type t
contains
subroutine print_me (arg, lun)
class(t), intent(in) :: arg
integer, intent(in) :: lun
if (abs(arg%a-2.718)>1E-6) call abort()
write (lun,*) arg%a
end subroutine print_me
subroutine print_my_square (arg, lun)
class(t), intent(in) :: arg
integer, intent(in) :: lun
if (abs(arg%a-2.718)>1E-6) call abort()
write (lun,*) arg%a**2
end subroutine print_my_square
end module passed_object_example
program main
use passed_object_example
use iso_fortran_env, only: output_unit
type(t) :: x
x%a = 2.718
x%proc => print_me
call x%proc (output_unit)
x%proc => print_my_square
call x%proc (output_unit)
end program main
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