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    the Moo documentation for more details.

 has-use

      package Example::HasUse;
    
      use Moo;
      use routines;
    
      use Data::Object::Attributes;
    
      has data => (
        is => 'ro',
        use => ['service', 'time']
      );
    
      method service($type, @args) {
        $self->{serviced} = 1;
    
        return time if $type eq 'time';
      }
    
      package main;
    
      my $example = Example::HasUse->new;

    This package supports the use directive denotes that the attribute will
    be constructed on-demand, i.e. is lazy, using a custom builder meant to
    perform service construction. This directive exists to provide a simple
    dependency injection mechanism for class attributes. This ability is
    not supported by the Moo object superclass.

 has-wkr

      package Example::HasWkr;
    
      use Moo;
    
      use Data::Object::Attributes;
    
      has data => (
        is => 'ro',
        wkr => 1
      );
    
      package main;
    
      my $data = do {
        my ($a, $b);
    
        $a = { time => time };
        $b = { time => $a };
    
        $a->{time} = $b;
        $a
      };
    
      my $example = Example::HasWkr->new(data => $data);

    This package supports the wkr and weak_ref directives is used to denote
    if the attribute's value should be weakened. See the Moo documentation
    for more details.

 has-wrt

      package Example::HasWrt;
    
      use Moo;
    
      use Data::Object::Attributes;
    
      has data => (
        is => 'ro',
        wrt => 'set_data'
      );
    
      package main;
    
      my $example = Example::HasWrt->new;

    This package supports the wrt and writer directives denotes the name of
    the method to be used to "write" and return the attribute's value. See
    the Moo documentation for more details.

AUTHOR

    Al Newkirk, awncorp@cpan.org

LICENSE

    Copyright (C) 2011-2019, Al Newkirk, et al.

    This is free software; you can redistribute it and/or modify it under
    the terms of the The Apache License, Version 2.0, as elucidated in the
    "license file"
    <https://github.com/iamalnewkirk/data-object-attributes/blob/master/LICENSE>.

PROJECT

    Wiki <https://github.com/iamalnewkirk/data-object-attributes/wiki>

    Project <https://github.com/iamalnewkirk/data-object-attributes>

    Initiatives
    <https://github.com/iamalnewkirk/data-object-attributes/projects>

    Milestones
    <https://github.com/iamalnewkirk/data-object-attributes/milestones>

    Contributing
    <https://github.com/iamalnewkirk/data-object-attributes/blob/master/CONTRIBUTE.md>

    Issues <https://github.com/iamalnewkirk/data-object-attributes/issues>