1Class::WhiteHole(3)   User Contributed Perl Documentation  Class::WhiteHole(3)
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NAME

6       Class::WhiteHole - base class to treat unhandled method calls as errors
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SYNOPSIS

9         package Bar;
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11         # DBI inherits from DynaLoader which inherits from AutoLoader
12         # Bar wants to avoid this accidental inheritance of AutoLoader.
13         use base qw(Class::WhiteHole DBI);
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DESCRIPTION

16       Its possible to accidentally inherit an AUTOLOAD method.  Often this
17       will happen if a class somewhere in the chain uses AutoLoader or
18       defines one of their own.  This can lead to confusing error messages
19       when method lookups fail.
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21       Sometimes you want to avoid this accidental inheritance.  In that case,
22       inherit from Class::WhiteHole.  All unhandled methods will produce
23       normal Perl error messages.
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BUGS & CAVEATS

26       Be sure to have Class::WhiteHole before the class from which you're
27       inheriting AUTOLOAD in the ISA.  Usually you'll want Class::WhiteHole
28       to come first.
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30       If your class inherits autoloaded routines this class may cause them to
31       stop working.  Choose wisely before using.
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33       White holes are only a hypothesis and may not really exist.
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36       Copyright 2000 Michael G Schwern <schwern@pobox.com> all rights
37       reserved.  This program is free software; you can redistribute it
38       and/or modify it under the same terms as Perl itself.
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AUTHOR

41       Michael G Schwern <schwern@pobox.com>
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SEE ALSO

44       Class::BlackHole
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48perl v5.28.0                      2003-05-28               Class::WhiteHole(3)
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