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#!/usr/bin/perl -w
# Copyright 2009, 2010, 2011 Kevin Ryde
# This file is part of constant-defer.
#
# constant-defer 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.
#
# constant-defer 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 constant-defer. If not, see <http://www.gnu.org/licenses/>.
use strict;
use constant::defer FOO => sub {
print "now calculating FOO ...\n";
print " ... done\n";
return 12345;
};
printf "FOO is %d\n", FOO;
printf "FOO is %d\n", FOO;
exit 0;
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