use strict; use warnings;
package Memoize::AnyDBM_File;
our $VERSION = '1.16';
our @ISA = qw(DB_File GDBM_File Memoize::NDBM_File SDBM_File ODBM_File) unless @ISA;
for my $mod (@ISA) {
if (eval "require $mod") {
$mod = 'NDBM_File'
if $mod eq 'Memoize::NDBM_File'
and eval { NDBM_File->VERSION( '1.16' ) };
print STDERR "AnyDBM_File => Selected $mod.\n" if our $Verbose;
@ISA = $mod;
return 1;
}
}
die "No DBM package was successfully found or installed";
__END__
=pod
=head1 NAME
Memoize::AnyDBM_File - glue to provide EXISTS for AnyDBM_File for Storable use
=head1 DESCRIPTION
This class does the same thing as L<AnyDBM_File>, except that instead of
L<NDBM_File> itself it loads L<Memoize::NDBM_File> if L<NDBM_File> lacks
L<EXISTS|perltie/C<EXISTS>> support.
Code which requires perl 5.37.3 or newer should simply use L<AnyBDM_File> directly.
=cut
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