1#!/usr/bin/perl
2
3# Copyright 2002-2019, Paul Johnson (paul@pjcj.net)
4
5# This software is free.  It is licensed under the same terms as Perl itself.
6
7# The latest version of this software should be available from my homepage:
8# http://www.pjcj.net
9
10use strict;
11use warnings;
12
13my @x;
14
15sub xx {
16    $x[shift]++;
17}
18
19for (0 .. 10) {
20    time &&
21    $x[1]++;
22
23    $x[2]++
24    if time;
25
26    for (0 .. 2) {
27        $x[3]++;
28    }
29
30    if (time) {
31        xx(4);
32    } else {
33        $x[5]++;
34    }
35}
36