mojave man page for moosex::storage::engine::trait::onlywhenbuilt

MooseX::Storage::Engine::Trait::OnlyWhenBuilt(3pm)	User Contributed Perl Documentation	MooseX::Storage::Engine::Trait::OnlyWhenBuilt(3pm)

NAME
       MooseX::Storage::Engine::Trait::OnlyWhenBuilt - An engine trait to bypass serialization

VERSION
       version 0.45

SYNOPSIS
	   {   package Point;
	       use Moose;
	       use MooseX::Storage;

	       with Storage( traits => [qw|OnlyWhenBuilt|] );

	       has 'x' => (is => 'rw', lazy_build => 1 );
	       has 'y' => (is => 'rw', lazy_build => 1 );
	       has 'z' => (is => 'rw', builder => '_build_z' );

	       sub _build_x { 3 }
	       sub _build_y { expensive_computation() }
	       sub _build_z { 3 }
	   }

	   my $p = Point->new( 'x' => 4 );

	   # the result of ->pack will contain:
	   # { x => 4, z => 3 }
	   $p->pack;

DESCRIPTION
       Sometimes you don't want a particular attribute to be part of the serialization if it has not been built yet. If you invoke "Storage()" as
       outlined in the "Synopsis", only attributes that have been built (i.e., where the predicate returns 'true') will be serialized.	This
       avoids any potentially expensive computations.

       This trait is applied to an instance of MooseX::Storage::Engine, for the user-visible version shown in the SYNOPSIS, see
       MooseX::Storage::Traits::OnlyWhenBuilt

METHODS
   Introspection
       meta

BUGS
       All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to
       cpan-RT.

AUTHORS
       o   Chris Prather <chris.prather@iinteractive.com>

       o   Stevan Little <stevan.little@iinteractive.com>

       o   XXXX XXX'XX (Yuval Kogman) <nothingmuch@woobling.org>

COPYRIGHT AND LICENSE
       This software is copyright (c) 2007 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 v5.18.2							    2013-12-21			MooseX::Storage::Engine::Trait::OnlyWhenBuilt(3pm)