local @_ = ($_[$i],$_[$i+1]);
        $code->(@_) and push @rv, @_;

##</code><code>##

        my @args = ($_[$i],$_[$i+1]);
        $code->(@args) and push @rv, @args;

##</code><code>##

        local @_ = ($_[$i],$_[$i+1]);
        &$code and push @rv, @_;