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! Copyright 2019-2020 Free Software Foundation, Inc.
!
! This program is free software; you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation; either version 3 of the License, or
! (at your option) any later version.
!
! This program is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License
! along with this program. If not, see <http://www.gnu.org/licenses/>.
module some_module
implicit none
type, public :: Number
integer :: a
contains
procedure :: get => get_number
procedure :: set => set_number
end type Number
contains
function get_number (this) result (val)
class (Number), intent (in) :: this
integer :: val
val = this%a
end function get_number
subroutine set_number (this, val)
class (Number), intent (inout) :: this
integer :: val
this%a = val
end subroutine set_number
end module some_module
logical function is_bigger (a,b)
integer, intent(in) :: a
integer, intent(in) :: b
is_bigger = a > b
end function is_bigger
subroutine say_numbers (v1,v2,v3)
integer,intent(in) :: v1
integer,intent(in) :: v2
integer,intent(in) :: v3
print *, v1,v2,v3
end subroutine say_numbers
program test
use some_module
interface
integer function fun1 (x)
integer :: x
end function fun1
integer function fun2 (x)
integer :: x
end function fun2
end interface
type (Number) :: n1
type (Number) :: n2
procedure(fun1), pointer:: fun_ptr => NULL()
call say_numbers (1,2,3) ! stop here
print *, fun_ptr (3)
end program test
integer function fun1 (x)
implicit none
integer :: x
fun1 = x + 1
end function fun1
integer function fun2 (x)
implicit none
integer :: x
fun2 = x + 2
end function fun2
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