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Toby Inkster

NAME

Die::Hard - objects as resistant to dying as John Maclane

SYNOPSIS

 my $fragile = Fragile::Object->new;
 my $diehard = Die::Hard->new($fragile);
 
 $diehard->isa('Fragile::Object'); # true
 $diehard->method_that_will_die;   # lives!
 $fragile->method_that_will_die;   # dies!

DESCRIPTION

Die::Hard allows you to create fairly transparent wrapper object that delegates all method calls through to the wrapped object, but does so within an eval { ... } block. If the wrapped method call dies, then it sets a last_error attribute.

Constructor

new(%attributes)

Standard Moose-style constructor.

new($object)

Shortcut for setting the proxy_for attribute.

Attributes

proxy_for

The object being wrapped. Read-only; required.

last_error

If the last proxied method call died, then this attribute will contain the error. Otherwise will be undef.

Methods

isa

Tells lies; claims to be the object it's proxying.

DOES

Tells the truth; claims to do the object it's proxying.

can

Tells the truth; claims it can do anything the object it's proxying can do.

BUGS

Please report any bugs to http://rt.cpan.org/Dist/Display.html?Queue=Die-Hard.

SEE ALSO

No::Die.

The $_try function from Object::Util is a different way to achieve a similar effect.

AUTHOR

Toby Inkster <tobyink@cpan.org>.

COPYRIGHT AND LICENCE

This software is copyright (c) 2012-2014 by Toby Inkster.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

DISCLAIMER OF WARRANTIES

THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.