| ! Copyright 2016 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/>. |
| |
| program vla_strings |
| character(len=:), target, allocatable :: var_char |
| character(len=:), pointer :: var_char_p |
| logical :: l |
| |
| allocate(character(len=10) :: var_char) |
| l = allocated(var_char) ! var_char-allocated-1 |
| var_char = 'foo' |
| deallocate(var_char) ! var_char-filled-1 |
| l = allocated(var_char) ! var_char-deallocated |
| allocate(character(len=42) :: var_char) |
| l = allocated(var_char) |
| var_char = 'foobar' |
| var_char = '' ! var_char-filled-2 |
| var_char = 'bar' ! var_char-empty |
| deallocate(var_char) |
| allocate(character(len=21) :: var_char) |
| l = allocated(var_char) ! var_char-allocated-3 |
| var_char = 'johndoe' |
| var_char_p => var_char |
| l = associated(var_char_p) ! var_char_p-associated |
| var_char_p => null() |
| l = associated(var_char_p) ! var_char_p-not-associated |
| end program vla_strings |