static/talks/extending_moose_yapc_na_2010/046.pl.html


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<pre>    package FileAttributes;
    use Moose::Exporter;
    use MooseX::Types::Path::Class qw(File);
    
    Moose::Exporter-&gt;setup_import_methods(
        with_meta =&gt; ['has_file'],
    );
    
    sub has_file {
        my ($meta, $name, %options) = @_;
        $meta-&gt;add_attribute(
            $name,
            is     =&gt; 'ro',
            isa    =&gt; File,
            coerce =&gt; 1,
            %options,
        );
    }
</pre>
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