7 use vars qw(@ISA $VERSION $CLASS $STRICT $LAX *declare *qv);
12 # avoid using Exporter
14 *version::is_lax = \&version::regex::is_lax;
15 *version::is_strict = \&version::regex::is_strict;
21 # Set up any derived class
22 unless ($class eq $CLASS) {
24 *{$class.'::declare'} = \&{$CLASS.'::declare'};
25 *{$class.'::qv'} = \&{$CLASS.'::qv'};
29 if (@_) { # any remaining terms are arguments
30 map { $args{$_} = 1 } @_
32 else { # no parameters at all on use line
36 'UNIVERSAL::VERSION' => 1,
40 my $callpkg = caller();
42 if (exists($args{declare})) {
43 *{$callpkg.'::declare'} =
44 sub {return $class->declare(shift) }
45 unless defined(&{$callpkg.'::declare'});
48 if (exists($args{qv})) {
50 sub {return $class->qv(shift) }
51 unless defined(&{$callpkg.'::qv'});
54 if (exists($args{'UNIVERSAL::VERSION'})) {
57 = \&{$CLASS.'::_VERSION'};
60 if (exists($args{'VERSION'})) {
61 *{$callpkg.'::VERSION'} = \&{$CLASS.'::_VERSION'};
64 if (exists($args{'is_strict'})) {
65 *{$callpkg.'::is_strict'} = \&{$CLASS.'::is_strict'}
66 unless defined(&{$callpkg.'::is_strict'});
69 if (exists($args{'is_lax'})) {
70 *{$callpkg.'::is_lax'} = \&{$CLASS.'::is_lax'}
71 unless defined(&{$callpkg.'::is_lax'});