| (* Copyright (C) 2018 Free Software Foundation, Inc. *) |
| (* This file is part of GNU Modula-2. |
| |
| GNU Modula-2 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, or (at your option) any later |
| version. |
| |
| GNU Modula-2 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 gm2; see the file COPYING. If not, write to the Free Software |
| Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. *) |
| |
| MODULE decvalue ; (*!m2iso+gm2*) |
| |
| |
| TYPE |
| small = [-3..4] ; |
| |
| |
| (* |
| decrement - |
| *) |
| |
| PROCEDURE decrement (v: small) : small ; |
| BEGIN |
| DEC (v) ; |
| RETURN v |
| END decrement ; |
| |
| |
| VAR |
| s: small ; |
| BEGIN |
| s := decrement (-3) |
| END decvalue. |
