static/talks/extending_moose_yapc_na_2010/055.pl.html


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<pre>    package Command;
    use Moose::Exporter;
    
    Moose::Exporter-&gt;setup_import_methods(
        with_meta =&gt; ['command'],
        class_metaroles =&gt; {
            class =&gt; ['Command::Role::Class'],
        },
    );
    
    sub _command_method_meta {
        my ($meta) = @_;
        Moose::Meta::Class-&gt;create_anon_class(
            superclasses =&gt; [$meta-&gt;method_metaclass],
            roles        =&gt; ['Command::Role::Method'],
            cache        =&gt; 1,
        )-&gt;name;
    }
    
    sub command {
        my ($meta, $name, $code) = @_;
        $meta-&gt;add_method(
            $name =&gt; _command_method_meta($meta)-&gt;wrap(
                $code,
                name                 =&gt; $name,
                package_name         =&gt; $meta-&gt;name,
                associated_metaclass =&gt; $meta
            ),
        );
    }
</pre>
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