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b811d2c2 | 1 | ! Copyright 2019-2020 Free Software Foundation, Inc. |
bf7a4de1 AB |
2 | ! |
3 | ! This program is free software; you can redistribute it and/or modify | |
4 | ! it under the terms of the GNU General Public License as published by | |
5 | ! the Free Software Foundation; either version 3 of the License, or | |
6 | ! (at your option) any later version. | |
7 | ! | |
8 | ! This program is distributed in the hope that it will be useful, | |
9 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | ! GNU General Public License for more details. | |
12 | ! | |
13 | ! You should have received a copy of the GNU General Public License | |
14 | ! along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | module some_module | |
17 | implicit none | |
18 | ||
19 | type, public :: Number | |
20 | integer :: a | |
21 | contains | |
22 | procedure :: get => get_number | |
23 | procedure :: set => set_number | |
24 | end type Number | |
25 | ||
26 | contains | |
27 | ||
28 | function get_number (this) result (val) | |
29 | class (Number), intent (in) :: this | |
30 | integer :: val | |
31 | val = this%a | |
32 | end function get_number | |
33 | ||
34 | subroutine set_number (this, val) | |
35 | class (Number), intent (inout) :: this | |
36 | integer :: val | |
37 | this%a = val | |
38 | end subroutine set_number | |
39 | ||
40 | end module some_module | |
41 | ||
42 | logical function is_bigger (a,b) | |
43 | integer, intent(in) :: a | |
44 | integer, intent(in) :: b | |
45 | is_bigger = a > b | |
46 | end function is_bigger | |
47 | ||
48 | subroutine say_numbers (v1,v2,v3) | |
49 | integer,intent(in) :: v1 | |
50 | integer,intent(in) :: v2 | |
51 | integer,intent(in) :: v3 | |
52 | print *, v1,v2,v3 | |
53 | end subroutine say_numbers | |
54 | ||
55 | program test | |
56 | use some_module | |
57 | ||
58 | interface | |
59 | integer function fun1 (x) | |
60 | integer :: x | |
61 | end function fun1 | |
62 | ||
63 | integer function fun2 (x) | |
64 | integer :: x | |
65 | end function fun2 | |
66 | end interface | |
67 | ||
68 | type (Number) :: n1 | |
69 | type (Number) :: n2 | |
70 | ||
71 | procedure(fun1), pointer:: fun_ptr => NULL() | |
72 | ||
73 | call say_numbers (1,2,3) ! stop here | |
74 | print *, fun_ptr (3) | |
75 | ||
76 | end program test | |
77 | ||
78 | integer function fun1 (x) | |
79 | implicit none | |
80 | integer :: x | |
81 | fun1 = x + 1 | |
82 | end function fun1 | |
83 | ||
84 | integer function fun2 (x) | |
85 | implicit none | |
86 | integer :: x | |
87 | fun2 = x + 2 | |
88 | end function fun2 | |
89 |