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      ['is-even', 0, "odd\n"],   # exception to failure
      ['in-bound', 0, "too low"] # exception to failure
   ]

=back

You hopefully get the idea at this point.

It's important to always remember the difference between the following
validators:

   sub { ($_[0]{number} % 2 == 0) or die "odd\n" };
   sub { die "odd\n" if $_[0]{number} % 2 };

The second validator I<always fails>: it either throws an exception, or
returns a I<false> value. This is not the case with the first one.
Always remember to return a true value from your validators, like this:

   sub { die "odd\n" if $_[0]{number} % 2; 1 }

(Yes, this actually happened while writing the tests...)

=head2 B<< validate_admit >>

Alias for L</admit>.

=head2 B<< validate_refuse >>

Alias for L</refuse>.

=head2 B<< validate_refuse_comment >>

Alias for L</refuse_comment>.

=head2 B<< validate_refuse_comment_or_empty >>

Alias for L</refuse_comment_or_empty>.

=head2 B<< validate_refuse_empty >>

Alias for L</refuse_empty>.

=head2 B<< validate_thoroughly >>

Alias for L</thoroughly>.

=head2 B<< validate_with_subs >>

Alias for L</with_subs>.

=head2 B<< with_subs >>

   $tube = with_subs(@validators); # OR
   $tube = with_subs(@validators, \%args);

This function is DEPRECATED and currently aliased to L</thoroughly>. It
used to do all that L</thoroughly> does, except handling regular
expression validators; now ith supports them too, which is why a name
change was necessary.

=head1 BUGS AND LIMITATIONS

Report bugs either through RT or GitHub (patches welcome).

=head1 AUTHOR

Flavio Poletti <polettix@cpan.org>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2016 by Flavio Poletti <polettix@cpan.org>

This module is free software. You can redistribute it and/or modify it
under the terms of the Artistic License 2.0.

This program 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.

=cut