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Top Forums Programming how do you handle a constructor and destructor that fail Post 302130665 by cbkihong on Tuesday 7th of August 2007 10:02:21 AM
Old 08-07-2007
What do you mean by fail? Throwing exception? Access violation? C++ has try/catch for handling non-fatal program-driven exceptions. Or were you actually looking for something else?
 

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Moose::Object(3pm)					User Contributed Perl Documentation					Moose::Object(3pm)

NAME
Moose::Object - The base object for Moose VERSION
version 2.0603 DESCRIPTION
This class is the default base class for all Moose-using classes. When you "use Moose" in this class, your class will inherit from this class. It provides a default constructor and destructor, which run all of the "BUILD" and "DEMOLISH" methods in the inheritance hierarchy, respectively. You don't actually need to inherit from this in order to use Moose, but it makes it easier to take advantage of all of Moose's features. METHODS
Moose::Object->new(%params|$params) This method calls "$class->BUILDARGS(@_)", and then creates a new instance of the appropriate class. Once the instance is created, it calls "$instance->BUILD($params)" for each "BUILD" method in the inheritance hierarchy. Moose::Object->BUILDARGS(%params|$params) The default implementation of this method accepts a hash or hash reference of named parameters. If it receives a single argument that isn't a hash reference it throws an error. You can override this method in your class to handle other types of options passed to the constructor. This method should always return a hash reference of named options. $object->does($role_name) This returns true if the object does the given role. $object->DOES($class_or_role_name) This is a a Moose role-aware implementation of "DOES" in UNIVERSAL. This is effectively the same as writing: $object->does($name) || $object->isa($name) This method will work with Perl 5.8, which did not implement "UNIVERSAL::DOES". $object->dump($maxdepth) This is a handy utility for "Data::Dumper"ing an object. By default, the maximum depth is 1, to avoid making a mess. $object->DESTROY A default destructor is provided, which calls "$instance->DEMOLISH($in_global_destruction)" for each "DEMOLISH" method in the inheritance hierarchy. BUGS
See "BUGS" in Moose for details on reporting bugs. AUTHOR
Moose is maintained by the Moose Cabal, along with the help of many contributors. See "CABAL" in Moose and "CONTRIBUTORS" in Moose for details. COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Infinity Interactive, Inc.. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.14.2 2012-06-28 Moose::Object(3pm)
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